SOLUTION: To make a batch of purple paint you mix 4 oz of blue paint for every 6 oz of red paint. If you want to make 90 ozof paint, how much red paint do you need?

SOLUTION: To make a batch of purple paint you mix 4 oz of blue paint for every 6 oz of red paint. If you want to make 90 ozof paint, how much red paint do you need?

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Question 716911: To make a batch of purple paint you mix 4 oz of blue paint for every 6 oz of red paint. If you want to make 90 ozof paint, how much red paint do you need?
Answer by jndarrell(58) (Show Source): You can put this solution on YOUR website!
So one batch is 10oz.
6 over 10 is = to x over 90
Cross multiply
10x=540
Divide both by 10 to get x alone
x=54oz of Red paint
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