How many cubic centimeters (cc) of a 25% antibiotic solution should be added to 10 cubic centimeters of a 60% antibiotic solution to get a 30% antibiotic solution? Number of Antibiotic Cubic cm Аmount of Antibiotic Strength 25% Antibiotic Solution 60% Antibiotic Solution 30% Antibiotic Solution Needed

Q: How many milligrams of metal containing 20% silver must be combined it with a milligrams a pure…

A: We have to use use ratio and proportion method to solve the problem

Q: A rectangular piece of cardboard, whose area is 198 square centimeters, is made into an open box by…

A: Let the length of the box is = x cm  width= y cm.  Given height= 2 cm  So the volume=2xy

Q: How many liters of a 60% acid solution must be added to 14 liters of a 10% acid solution to produce…

A: Given Let

Q: A food packaging company is going to sell ice cream in paper cones with a diameter of 3 inches and a…

A: given,       A food packaging company is going to sell ice cream in paper cones with a diameter of 3…

Q: that

A:

Q: A man who weighs 132 pounds can drink 2 1/3 pints of beer per hour and still remain legally sober.…

A:

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

A:

Q: How many liters of 40% acid solution must be mixed with 10 liters of a 65% acid solution to get a…

A: Given Let Then according to problem

Q: A child is to receive a dose of 0.5 teaspoons of medicine every 4 hours. If the bottle contains 4…

A: To determine the number of tea spoon.

Q: How many pounds of coffee worth $7 per pound should be added to 14 pounds of coffee worth $4 per…

A: Here we have to find the pounds of 7$ cofee to be mixed

Q: one -fourth pound of fertilizer covers 25 square feet of ground, how much fertilizer (in pounds ) is…

A: It is given that25 square feet of ground is covered by = 14 pound

Q: a green house has a 70% nitrogen fertilizer and a 25% nitrogen fertilizer. How many liters of each…

A:

Q: A 20 LITER MILK CONTAINS 2%BUTTERFAT HOW MANY LITERS OF BUTTERFAT BE ADDED TO PRODUCE A MIXTURE…

A: 2% of 20 lts = 2100x20                      = 4/10                      = 0.4 lts

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: 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: How much water must be evaporated from 240 gallons of a 3% salt solution to produce a 5% salt…

A: Let  the amount of water to be evaporated be x first we have 240 gallons of 3% salt i.e 7.2 gallons…

Q: How many gallons  of a 6% salt solution must be mixed with 10 gallons  of a 8% solution to obtain a…

A: Let x denote Gallon. So, gallons of a 6% salt solution are calculated as (x gal) (6%).

Q: The total weight of 9 bags of potatoes is 36 kilograms. Each bag weighs the same amount. What is the…

A: Given the total weight of 9 bags of potatoes is 36 kilograms. Each bag weighs the same amount.   We…

Q: A rectangular piece of cardboard, whose area is 143 square centimeters, is made into an open box by…

A:

Q: A 12-ton mixture consists of one-sixth sand, two-sixths gravel, and one-half cement. If x tons of…

A:

Q: Length is 3x − 4, area is 6x^4 − 8x^3 + 9x^2 − 9x – 4

A: On solving this we will get

Q: One bag of potting soil contains 8 quarts of soil. How many clay pots can be filled from one bag of…

A: We have to find that how many clay pots can be filled from one bag of potting soil. Given - 1 bag of…

Q: Find the dimensions of a rectangle with area 1000 square meters whose perimeter is as small as…

A: First we assume that the length and width of the rectangle is x and y respectively.Then we formulate…

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

A:

Q: A goldsmith combined an alloy that costs $4.40 per ounce with an alloy that costs $1.90 per ounce.…

A: Given A goldsmith combined an alloy that costs $4.40 per ounce with an alloy that costs $1.90 per…

Q: A pool with a capacity of 210 gallons needed refilling. After pouring in 165 5/9  gallons of water,…

A:

Q: How many pounds of lima beans that cost 90c per pound must be mixed with 16 lb of corn that cost 50c…

A: Let x lb of lima bean must be mixed. 1 lb of lima bean costs= 90 c So, x lb of lima bean cost= 90x c…

Q: When an urn is full of water it has a mass of 2900 grams. When the urn is half full of water it has…

A: Given Data: The total mass when the urn is full of water is: m1=2900 g The total mass when the urn…

Q: A water system of 2 inches (inside diameter) pipe, having a length of 1/4mile, is to be flushed with…

A: Given:

Q: If your front lawn is 25.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates…

A: Given that, Wide=25 feet Long=20 feet Number of snowflakes each square foot=1150/min Average mass of…

Q: A 20-pound bag of Economy brand cement mix contains 25% cement and 75% sand. How much pure cement…

A: 20-pound bag of Economy brand =25% cement and 75% sand

Q: One round cake pan has a diameter of 10 inches. A second round cake pan has a diameter of 8 inches.…

A:

Q: A baker uses 12.5 kilograms of flour each day.Flour costs $3.62 per kilogram. What is the cost of…

A: Given information: Flour used by the baker per day = 12.5 kilograms Flour costs= $3.62

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: 9 m 17 m

A:

Q: The density of aluminum is 2.70 g/mL. If the mass of a piece of aluminum is 244 grams, what is the…

A: The density of the aluminium is 2.70 g/ml. The mass of the aluminium is 244 grams.

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

A:

Q: A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per ounce.…

A: Given: A goldsmith combined an alloy that costs $4.30 per ounce with an alloy that costs $1.80 per…

Q: an absorbent material can retain 35% of its own mass in moisture, then how much of the absorbent…

A:

Q: The area of a square is 81 cm² If the same amount is added to one dimension and removed from the…

A: The area, A of a square is calculated using the formula, A=a2 , where, a is the side length.

Q: How many gallons of pure alcohol should be added to 40 gallons of a 25% alcohol to obtain a mixture…

A: Explanation and solutions is given below....

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: Suppose that 8% of a solution is fertilizer by volume and the remaining 92% is water. How much…

A: Given:  8% of a solution is fertilizer by volume and the remaining 92% is water. To find: The amount…

Q: A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour a patio…

A: To Determine: what will be the patio dimensions? (1 cubic yard = 27 cubic feet) Given: A contractor…

Q: I have a large pot containing 6 liters of soup broth. If I divide the soup broth into 3lg liters for…

A: Solution...

Q: Two welders worked a total of 51 h on a project. One welder made $31/h, while the other made $34/h.…

A:

Q: The diameter of a standard basketball is 9.5 inches. How many cubic inches of air would it take to…

A:

Q: Find the dimensions of a rectangle with area 1,000 m² whose perimeter is as small as possible. (If…

A: According to question,

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

A: