A container holds 3 Liters of a 25% alcohol solution. One half Liter of the solution is withdrawn and replaced with one half Liter of pure alcohol. What is the percentage of alcohol in the resulting mixture?

Q: What amount of a 80% acid solution must be mixed with a 20% solution to produce 400 mL of a 50%…

A: Topic - percentage and equation in one variable

Q: Mildred, a pharmacist, was required to prepare 10 L of a 40% alcohol solution by mixing the flowing.…

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Q: Divide 100 loaves of bread among 10 men, including a boatman, a foreman, and a doorkeeper, who all…

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Q: You are to give a client one tablet labeled 0.15 mg and one labeled 0.025 mg. What is the total…

A: The dosage of one tablet = 0.15 mg The dosage of second tablet = 0.025 mg Hence, The total dosage is…

Q: Forty-five ounces of pure grapefruit juice are added to 30oz of a fruit punch that is 20% grapefruit…

A: If a solute and a solvent are mixed together to form a mixture, then the concentration of the solute…

Q: How many students passed all three exams?

A: here from given information define events and draw venn diagram  student fail in math(algebra) = M…

Q: How many units of a 10% solution are needed to prepare 500 units of a 20% solution?

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Q: In order to remove water from a flooded basement, two pumps, each rated at 40 gallons per minute,…

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Q: If a soft drink galatin capsule contains 4½ml of cod liver oil, what will be the total dose if 20…

A: We can find the answer as below

Q: In a chemical mixture, 2 g of chemical A are used for each gram of chemical B, and 3 g of chemical C…

A: The ratio of B to A is 1:2 and the ratio of B to C is 1:3.

Q: If the patient is to be given 120 mcg of levothyroxine via IV infusion and the vial contains 0.4 mg…

A: Given: Total levothyroxine given is 120 mcg. Vial contains 0.4 mg of levothyrozine in each ml. To…

Q: How many ounces of pure water must be added to 20 oz of a 10% saline solution to make a saline…

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Q: Five grams of sugar are added to a 45-gram serving of a breakfast cereal that is 10% sugar. What is…

A: Amount of sugar in a 45-gram serving

Q: A patient needs 1mg of a medication. The Australian Injectables Drug Handbook states that each gram…

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Q: A farmer has a total yield of 72,000 bu of corn from a 450 acre farm. What total yield should he…

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Q: If skin cleaning solution is to be diluted 1 teaspoon to 64 ounces of water, how many ounces of…

A: Givenskin cleaning solution is to be diluted 1 teaspoon to 64 ounces of water.The teaspoons of skin…

Q: If chocolate contains 4 parts cocoa and 6 parts other ingredients, what percent of the chocolate is…

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Q: A goldsmith mixes 10oz of a 35% gold alloy with 20oz of a 17% gold alloy. What is the percent…

A: We have to find concentration of the resulting alloy if a goldsmith mixes 10oz of a 35% gold alloy…

Q: If a scientist mixed 10% saline solution with 60% saline solution to get 25 gallons of 40% saline…

A: NOTE: Refresh your page if you can't see any equations. . x gallons of 10% solution = 0.1x y gallons…

Q: How many gallons each of 25​%alcohol and 5​% alcohol should be mixed to obtain 20 gal of 24​%…

A: For the Given concentrations  H = 25%  L = 5%  m = 20 gal T = 24 %  Number of gallons each of H and…

Q: A recipe uses 5 cups of milk to make 10 servings. If the same amount of milk is used for each…

A: Recipe used : 5 cups of milk to make 10 servings. For 3 quarts, Servings = ?

Q: A patient needs 2mg of a medication. The Australian Injectables Drug Handbook states that each gram…

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Q: A vat contains 4000liters of wine with an alcohol content of 10%. How much of this wine must be…

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Q: From 110 kg of solder metal containing half lead and half zinc, 22 kg is removed. Then 30 kg of lead…

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Q: A patient needs 4mg of a medication. The Australian Injectables Drug Handbook states that each gram…

A: The patient needs a medication of 4mg and as per Australian Injectables Drug Handbook 1 gram value…

Q: The weight of 10 identical samples of a substance is 0.01 pounds. What is the weight of 1000…

A: Solution:- Weight of 10 identical samples of a substance is = 0.01pound Then Weight of 1 sample of…

Q: An energy drink contains 60 percent of the recommended daily amount off carbohydrates. If it…

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Q: A gumbo recipe calls for 4 quarts of cooked rice and yields 80 servings, 6 ounces each. If the…

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Q: A 40 gram alloy containing 35% gold is to be melted with a 20 gram alloy containing 50% gold. How…

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Q: A syrup is made by dissolving 3 cups of sugar in cups of boiling water. How many cups of sugar…

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Q: One liter of a 25% sugar solution is mixed with 3 liters of 40% sugar solution. What is the…

A: The percentage amount of the solute in the solution determines the relative amount of the solute.…

Q: What amount of a  60% acid solution must be mixed with a 30% solution to produce  300 mL of a 50%…

A: To determine the amount of the 60% of the acid solution.

Q: A coffee company brews coffee in 20-gallon containers. Approximately how many 12- ounce small-sized…

A: Given that coffee company brews coffee in 20 gallon containers  find how many 12 ounce small sized…

Q: How much alcohol must be added to 24 gallons of a 14% solution of alcohol in order to produce a 20%…

A: Let x gallon alcohol has to be added.  So total amount of the mixture is = (x+24) gallons   24…

Q: A 130-pound person is holding 4 identical bags of potatoes and, when he stands on a scale, it reads…

A: We have to solve the above questions and  find the each bag of potatoes weigh

Q: A certain recipe calls for 3/4 cup of milk. To make half of the recipe, how much milk is needed?

A: Given: A certain recipe calls for 3/4 cup of milk.

Q: Suppose you bought 10 six packs of soda, each six pack containing six 12 ounce cans. How many…

A: Total ounces of soda bought:

Q: If your car gets 34 miles per gallon of gas and you traveled 153 miles, how many galons of gas have…

A: Let I have used x gallons of gas.

Q: How many grams of fat does one serving of the low fat yogurt contain?

A: Given: Yogurt contains 10 g of fat The low fat version contains 35.75% less fat per serving

Q: A nurse must mix 15L of a 10% solution of a drug with some 60%

A: Let x liters of 60% solution will be needed total amount of solution is (x+15)

Q: Which dog is fed more than 1 quart but less than 1/2 of food each day?

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Q: How much water must be evaporated from 240 mL of a 10% salt solution to produce a 25% salt solution?

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Q: How much water must be evaporated from 64 ounces of a 2% salt solution to make a 10% salt solution?

A: Total water=64 ounces

Q: if a crumb topping is made with a ratio by weight of 3 parts brown sugar, 2 parts flour, and 1 part…

A: From given it is observed that, with 3 parts brown sugar, 2 parts flour, and 1 part butter can make…

Q: How many possible combinations of grams of protein and fat (or `p` and `f`) would add up to 60…

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Q: How many pounds of a 35 percent salt solution and how many pounds of a 14 percent  salt solution…

A: I think it's 20 percent on the  place of 2 percent... something missing in question  ... Please…

Q: What amount of a 60% acid solution must be mixed with a 35% solution to produce 300 mL of a 55%…

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Q: A chemist mixed 100 ml of an 20% saline solution with 70 ml of a 3% saline solution. Find the…

A: Let x be the percent concentration of the resulting mixture.The formula for resulting mixture…

Q: A person should drink at least 64 ounces of water a day.How many quarts of water should a person…

A: A person should drink at least 64 ounces of water a day.How many quarts of water should a person…

Q: A total of 65 pounds of iceberg lettuce heads are purchased for use in a banquet of 120 people. If 6…

A:

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.