Question

A chemist wants to make 40 liters of 22.5% acid solution. She is going to make it by mixing a 10% acid and a 30% acid solution. How many liters of each will she need?

Answer 1

x + y = 40
.10x + .30y = .225(40)

Answer 2

I got a bad number for the 30% acid when i tried it out.

Answer 3

you mean 22.5*

Answer 4

No, you write the percent as a decimal.

Answer 5

oh yeah....

Answer 6

im studying :P

Answer 7

What did you get for x and y?

Answer 8

doing it now...

Answer 9

y=25
x=15

Answer 10

Looks right

Answer 11

10% acid = 15 liters
30% acid = 25 liters

:D

Answer 12

thank yu :D