Pure acid is to be added to a 10 % acid solution to obtain 99 L of a 20 % acid solution. What amounts of each should be used?

3{6x+4}=9[2x]+12 how does that work out

What is the value of 3 in 630 is it hundred ten or ones

Type the correct answer in the box. Juan is making trail mix for an upcoming camping trip with his family. He wants to add cashews which cost $10.99 a pound and dried blueberries which cost $8.89 a pound to the mix.

Solve the system of equations by elimination. 2x-y+3z=-12x-y+3z=-1 x+2y-4z=-1x+2y-4z=-1 y-2z=0y-2z=0

Kayla earns a weekly salary of $290 plus a 5.5% commission on sales at a gift shop. How much would she make in a week if she sold $5700 worth of merchandise?

Suppose you are getting new inground pool at your house. The pool is going to be a rectangle that is 30 feet by 15 feet. The outside border of the deck around the pool will also be a rectangle, which is 44 feet by 28 feet.

There are 12 team members. They each ate 3 slices of pizza. Each pizza was cut into 8 slices. What fraction of the pizza did the team eat altogether?

Solve for v 12v = 18+6v

Maggie's brother is four years younger than twice her age the sum of their ages 11 how old is Maggie?

Kirsten invested $1000 in an account at an annual interest rate of 3%. She made no deposits or withdrawals on the account for 5 years. The interest was compounded annually. Find the balance in the account, to the nearest cent, at the end of 5 years.