In the lab, Dante has two solutions that contain alcohol and is mixing them with each other. Solution A is 2% alcohol and Solution B is 7% alcohol, He uses 400 milliliters of Solution A. How many milliliters of Solution B does he use, if the resulting mixture is a 5% alcohol solution? Number of milliliters of Solution B:

Q: You need a 70% alcohol solution. On hand, you have a 195 mL of a 20% alcohol mixture. You also have…

A:

Q: Aa family has two cars. The first car has a fuel efficiency of 30 miles per gallon of gas and the…

A: Given that Fuel efficiency of first car=30 miles Fuel efficiency of second car=40 miles Combined…

Q: You need a 10% alcohol solution. On the other hand, you have a 495mL of a 5% alcohol mixture. You…

A: Solution

Q: A chemist needs 50 milliliters of a 42% solution but has only 32% and 57% solutions available. Find…

A: Given - A chemist needs 50 milliliters of a 42% solution but has only 32% and 57% solutions…

Q: For a chemistry experiment, Agatha needs 50 milliliters of 20% acetic acid solution. The laboratory…

A: We are given that the laboratory has only 10% and 50% acetic acid solution and agatha needs 50 ml of…

Q: Jolene invests her savings in two bank accounts, one paying 4 percent and the other paying 11…

A: According to question given that Jolene invests her savings in two bank accounts one paying 4% and…

Q: 3. Michael and Sam need to get water from a 50ft well, so Michael lowers Sam down the well with two…

A: The work done 'dW' in pulling up the mass 'm' lbs with velocity 'v' ftsin time interval 'dt'.dW =…

Q: a solution A has 52% alcohol, and solution B has 86% alcohol. how many liters of 86% solution should…

A: Given problem:- A solution A has 52% alcohol, and solution B has 86% alcohol. how many liters of 86%…

Q: In the lab, Sam has two solutions that contain alcohol and is mixing them with each other. He uses 3…

A: Given that Sam has two solutions that contain alcoha

Q: You need a 30% alcohol solution. On hand, you have a 30 mL of a 15% alcohol mixture. You also have…

A: We need a 30% alcohol solution. On the other hand, you have 30 mL of a 15% alcohol mixture. You also…

Q: You need a 15% alcohol solution. On hand, you have a 60 mL of a 10% alcohol mixture. You also have…

A:

Q: A tank initially contains 50 gallons of brine, with 30 pounds of salt in solution. Water runs into…

A: This question is related to differrential equations, We will solve it using given information.

Q: You need a 65% alcohol solution. On hand, you have a 55 mL of a 35% alcohol mixture. You also have…

A: First we assume that x be the amount of the 70% mixture.Then using the data given in the problem…

Q: You need a 30% alcohol solution. On hand, you have a 315 mL of a 15% alcohol mixture. You also have…

A: Here we have to take the concentration equation and solved then to get the answer so I'm providing…

Q: You need 760 mL of a 40% alcohol solution. On hand, you have a 95% alcohol mixture. How much of the…

A: Let the amount of 95% alcohol mixture to be added= x ml Let the amount of pure water to be added= y…

Q: Solve second order DE y" - 4y' + 4 = 0

A:

Q: Pretzels cost $4 per lb, dried fruit $5 per lb, and nuts $9 per lb. The three ingredients are to be…

A:

Q: You need a 50% alcohol solution. On hand, you have a 390 mL of a 40% alcohol mixture. You also have…

A: Allegations and mixture s

Q: In the lab, Mary has two solutions that contain alcohol and is mixing them with each other. She uses…

A: Given problem:- In the lab, Mary has two solutions that contain alcohol and is mixing them with each…

Q: A person invested $7300 for 1 year, part at 5%, part at 11%, and the remainder at 15%. The total…

A:

Q: You need a 20% alcohol solution. On hand, you have a 140 mL of a 5% alcohol mixture. You also have…

A:

Q: You need a 65% alcohol solution. On hand, you have a 105 mL of a 15% alcohol mixture. You also have…

A: Given: On hand, you have 105mL of 15% alcohol solution, You also have 80% alcohol mixture.

Q: Solution A is 30% acid and solution B is 60% acid. How many gallons of each solution must be used to…

A: This question is based on word problem.

Q: In the lab, Debra has two solutions that contain alcohol and is mixing them with each other. She…

A: let the amount of solution A debra uses be x let the amount of solution B debra uses be y given that…

Q: You need a 40% alcohol solution. On hand, you have a 420 mL of a 20% alcohol mixture. You also have…

A: Given problem:- You need a 40% alcohol solution. On hand, you have a 420 mL of a 20% alcohol…

Q: | John decided to invest $12,800 in two accounts. He has invested one part in Wells Fargo at a 3.125…

A: Simple interest on a amount is given by  Simple interest =( p×r×t)/100  p = principal r = rate of…

Q: 2. Maria invested a total $26000 into three accounts: a saving account paying 3% interest, a CD…

A: Given: The total amount of investment=$26000. The interest rate of savings=3% The interest rate of…

Q: You need a 65% alcohol solution. On hand, you have a 60 mL of a 25% alcohol mixture. You also have…

A:

Q: In the lab, Dante has two solutions that contain alcohol and is mixing them with each other. He uses…

A: NOTE: Refresh your page if you can't see any equations. . x= number of mL if solution A (10%…

Q: You have a case of sweet cherries that weighs 5 kilograms. You are making Cherry Pies, and each pie…

A: 1 cup of cherries = 5kgs for 1 pie required cherries = 1 cup       1 cup cherries = 5 ounces…

Q: You'need a 55% alcohol solution. On hand, you have a 120 mL of a 50% alcohol mixture. You also have…

A: Needed amount of alcohol solution =55%

Q: A manufacturer of prefabricated homes has the company's employees work in teams. Team 1 can erect…

A: This problem is of time and work concept. Given that there are two teams 1 and 2. Team 1 takes 60 h…

Q: In the lab, Yolanda has two solutions that contain alcohol and is mixing them with each other.…

A:

Q: A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop…

A: Given: The special eye drops for a glaucoma patient = 15 ml. The eye-drop solution content is 2%…

Q: A person invested $6300 for 1 year, part at 8%, part at 9%, and the remainder at 15%. The total…

A:

Q: A person invested $7600 for 1 year, part at 8%, part at 9%, and the remainder at 14%. The total…

A: Total money invested = 7600let x be amount invested at 8%y be the amount invested at 9%z be the…

Q: The number of cells in a bacterial culture increases rapidly but then levels off. The amount is…

A:

Q: You need a 45% alcohol solution. On hand, you have a 210 mL of a 35% alcohol mixture. You also have…

A: Let, the amount of solution of the 60% mixture is X ml.Adding 210 ml of 35% mixture,will…

Q: You have a case of sweet cherries that weighs 5 kilograms. You are making cherry pies and each pie…

A:

Q: A person invested $7500 for 1 year, part at 8%, part at 10%, and the remainder at 14%. The total…

A:

Q: A recipe calls for 2 tsp of salt, 4 tsp of pepper and 1 tsp of garlic powder. How much pepper and…

A: Given, A recipe calls for 2 tsp of salt, 4 tsp of pepper and 1 tsp of garlic powder  We have to find…

Q: Solve for r. %3D E C 1 2. 2.

A:

Q: You need 360 mL of a 40% alcohol solution. On hand, you have a 15% alcohol mixture and a 55% alcohol…

A: Given: Two separate solution contains 15% alcohol mixture and 55% alcohol mixture. The objective is…

Q: In the lab, Miguel has two solutions that contain alcohol and is mixing them with each other.…

A: Given that, Miguel has two solutions, solution A and solution B.

Q: . A woman saved GH¢ 30,000 in a bank A, whose rate was x % per annum and GH¢ 20,000 in another bank…

A:

Q: In the lab, Keith has two solutions that contain alcohol and is mixing them with each other. He uses…

A: Percentage of a number i.e, a% can be written as a100=0.0a.

Q: In the lab, Brian has two solutions that contain alcohol and is mixing them with each other. He uses…

A: Given ,  In the lab, Brian has two solutions that contain alcohol and is mixing them with each other…

Q: Samantha needs to mix a 10 % alcohol solution with a 50 % alcohol solution to create 100 millileters…

A: Given: Samantha needs to mix a 10% alcohol solution with a 50% alcohol solution to create 100…

Q: You need a 25% alcohol solution. On hand, you have a 300 mL of a 40% alcohol mixture. How much pure…

A: