Sunday

March 1, 2015

March 1, 2015

Posted by **Hali** on Tuesday, January 17, 2012 at 1:17pm.

- math -
**Reiny**, Tuesday, January 17, 2012 at 1:29pmlet the amount of the 8% solution she must add be x ml

.03(60) + .08x = .06(60+x)

times 100 ....

3(60) + 8x = 6(60+x)

180 + 8x = 360 + 6x

2x = 180

x = 90

She should add 90 ml of the stronger solution

**Answer this Question**

**Related Questions**

Math Algebra , high school - A biologist has three salt solutions: some 5% ...

Math - A pharmacist is to prepare a 50 fluid ounce solution that contains 54% ...

MATH - A pharmacist mixed some 10%-saline solution with some 15%-saline solution...

science/chem - You dissolve 157.1 g of ammonium nitrate in a 250 mL volumetric ...

Science/Chem - 1. You dissolve 157.1 g of ammonium nitrate in a 250 mL ...

PRE-ALGEBRA - A nurse wishes to to add water to 60 ounces of 20% solution of ...

math - A science teacher has a supply of 50% sugar solution and a supply of 80% ...

math - a pharmacist mixed some 10% saline solution with some 15% saline solution...

calculus - Please help with this question. I have a general solution to a ...

Algebra - To reduce 32 grams of a 25% solution of antiseptic to a 10% solution...