SOLUTION: If you use 30% red paint and 70% blue paint, and you use 12 gallons of blue paint, how many gallons of red paint will you use?

SOLUTION: If you use 30% red paint and 70% blue paint, and you use 12 gallons of blue paint, how many gallons of red paint will you use?

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Question 1001021: If you use 30% red paint and 70% blue paint, and you use 12 gallons of blue paint, how many gallons of red paint will you use?

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
r red, b blue

, gallons of red paint
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