A barista needs to mix a 20% coffee solution with concentrated coffee (100%) to produce 9 liters of coffee with 50% concentration. How much of each kind must he mix?

Q: How much of a 70% orange juice drink must be mixed with 44 gallons of a 20% orange juice drink to…

A: Let x gallons of 70% orange juice drink must be mixed with 44 gallons of a 20% orange juice drink to…

Q: How many quarts of pure antifreeze must be added to 2 quarts of a 10​% antifreeze solution to…

A: Find the number of quarts of pure antifreeze that must be added to 2 quarts of a 10​% antifreeze…

Q: A chemist working on a flu vaccine needs to mix a 10% sodium-iodine solution with a 60%…

A: Given information: 10% sodium-iodine solution with a 60% sodium-iodine solution to obtain 50…

Q: How many quarts of pure antifreeze must be added to 5 quarts of a 20​% antifreeze solution to obtain…

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Q: A wine company needs to blend a California wine with a 5% alcohol content and a French wine with a…

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Q: how many gallons of 5% acid solution must be mixed with 5 gallons of 10% acid solution in order to…

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Q: A man invested $14,000, some of it at 7% and some at 10% annual interest. The annual income from the…

A: Let he invested $ x in 7%. so he must invest $ (14000-x) in 10%

Q: ) A chemistry teacher needs to make 10 L of 42% sulphuric acid solution. The acid solutions…

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Q: A single serving of a cereal breakfast bar contains 18 grams of carbohydrates. This is 6% of the…

A: Let x grams of carbohydrates are recommended each day for a person on a 2000-calorie diet.

Q: How many gallons of a 4% salt solution must be mixed with 65 gallons of a 26% solution to obtain a…

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Q: A biologist has two brine solutions, one containing 5% salt and another containing 20% salt. How…

A: We can solve the problem by equating both side according to the given criteria.

Q: A 100 LB bag of animal feed is 40% oats. How many pounds of oats must be added to this feed to…

A: Given 100 lb animal feed have 40% oats then amount of oats in the animal feed is given by,

Q: A chemist needs to mix a 75% saltwater solution with a 50%saltwater solution to obtain 10 gallons of…

A: One need to convert the given information in system of equations and then solve for the variables.

Q: How many quarts of pure antifreeze must be added to 3 quarts of a 10% antifreeze solution to obtain…

A: Calculation:let x be the  required  amount of  pure antifreeze solution.Write a decimal equivalent…

Q: In order to prepare some liquid medicine properly you need to mix 32 ML of liquid antibiotics with…

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Q: A farmer has two types of milk, one that is 20% milkfat and one that is 12% milkfat.  How much of…

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Q: How many quarts of pure anti freeze must be added to 6 quarts of a 10% anti freeze solution to…

A: Let x denote the amount of pure antifreeze that must be added to 6 quarts of a 10% antifreeze…

Q: How many gallons of milk containing 1% fat is mixed with milk containing 4% fat to obtain a 15…

A: A mixture word problem is solved by setting up the corresponding mathematical model. If x amount of…

Q: If Julian has 2 times as many dimes as quarters and they have a combined value of 225 cents, how…

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Q: How many litres of a 10% alcohol solution must be mixed with 10 litres of a 34% alcohol solution to…

A: Given that  10% alcohol solution must be mixed with 10 litres of a 34% alcohol solution to get a 13%…

Q: You need to mix a 6% peroxide solution with a 9% peroxide solution to obtain 36 ounces of an 8%…

A: Given- Mixing of two solutions with a 6% peroxide solution and a 9% peroxide solution to obtain a 36…

Q: A chemist needs to mix a 12% acid solution with a 32% acid solution to obtain an 8‐liters mixture…

A:

Q: A chemistry teacher needs to mix a 40% salt solution with a 80% salt solution to make 20qt of a 50%…

A: Let the required amount of 40% salt solution be x quarts.

Q: How many gallons of a 57% salt solution do we need to mix with 120 gallons of a 30% salt solution so…

A:

Q: How many quarts of pure antifreeze must be added to 3 quarts of a 40% antifreeze solution to obtain…

A: ⁸

Q: If it takes 8 quarts of ice cream to feed 30 people, how many gallons of ice cream will it take to…

A: Let it will take x quarts  to feed 75 people.

Q: A chemist wants to make 50ML of 16% acid solution by mixing a 13% acid solution and an 18% acid…

A: Let x be the   millilitre of 13% solution And y be the millilitre of 18% solution Chemist wants to…

Q: A grocer is mixing 40 cent per lb. coffee with 60 cent per lb. coffee to make a mixture worth 54c…

A: Let x lb of 40 cent coffee and (70-x) lb of 60 cent coffee should be mixed.  So total cost is:…

Q: If Gabriel has 3 times as many nickles as dimes and they have a combined value of 125 cents, how…

A: Assume number of dimes = x and number of nickles = 3x

Q: A chemist needs to mix a 36% salt solution with a 77% salt solution to make 40 liters of a 53% salt…

A: Consider the provided question, A chemist needs to mix a 36% salt solution with a 77% salt solution…

Q: A chemist needs 12L of a 40% alcohol solution. She must mix a 12% solution and a 50% solution. How…

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Q: A chemist needs to mix a 12% acid solution with a 20% acid solution to obtain 160 ounces of a 15%…

A: Given: A chemist needs to mix a 12% acid solution with a 20% acid solution to obtain 160 ounces of a…

Q: How many pounds of a 4% solution of borax must be added to 24 pounds of a 12% solution of borax to…

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Q: The fabric store ordered 5 times as many pairs of scissors as seam rippers. If they ordered a total…

A: Topic = Algebra let the number of seam rippers  ordered =x then the number of pairs of scissors…

Q: Juan has a net monthly income of $4800 and is willing to spend 119% of that income on groceries, and…

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Q: A chemist needs to stengthen a 25% solution with a 60% solution to obtain a 30% solution. How much…

A: A chemist needs to strengthen a 25% solution with a 60% solution to obtain a 30% solution.  300 be…

Q: a woman has $470,000 invested in two rental properties. one yields 10% on the investment, and the…

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Q: How many gallons of a 4% salt solution must be mixed with 75 gallons of a 6% solution to obtain a 5%…

A:

Q: How much antifreeze should be added to 5 quarts of a 30% mixture ofantifreeze to make a solution…

A:

Q: A chemist must mix 10L of a 40%acid solution with some 70% solution to get a 50% solution. How much…

A: A chemist must mix 10L of a 40%acid solution with some 70% solution to get a 50% solution. Let x L…

Q: How many ounces each of a 12% alcohol solution and a 30% alcohol solution must be combined to obtain…

A: A detailed solution is given below

Q: How many liters of a 40% alcohol solution must be mixed with 25 liters of a 89% alcohol solution to…

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Q: What quantity of 80% acid solution must be mixed with a 20% solution to produce 400ml of a 60%…

A: Given we need to form a 400 ml of a 60% solution by mixing 80% acid solution with 20% solution.Let…

Q: To make low-fat cottage cheese, milk containing 4% butterfat is mixed with milk containing 1%…

A: To find the number of gallons of each milk must be used.

Q: A chemist needs to mix an 18% acid solution with a 45% acid solution to obtain 12 liters of a 36%…

A: Consider x is the amount of 18% solution, that is 18% of x =18100×x=0.18x So according to the…

Q: What quantity of 70 percent acid solution must be mixed with a 30 percent solution to produce 600 mL…

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Q: A pharmacist wants to mix a 30% saline solution with a 10% saline solution to get 200 mL of a 12%…

A: Let x be the amount of 30% saline solution and y be the amount of 10% saline solution.

Q: A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon…

A: let the number of molecules of oxygen be x  Then the number of molecules of oxygen will be 2x and…

Q: To make low-fat cottage cheese, milk containing 4% butterfat is mixed with milk containing 1%…

A:

Q: A chemist needs to mix 3 liters of 25% hydrochloric acid with 85% hydrochloric acid to obtain a new…

A: