SOLUTION: An art teacher has 5 gallons of a paint mixture that is 80% paint and 20% water. If she needs to thin the paint mixture so that it is 20% paint and 80% water,how many gallons of w

SOLUTION: An art teacher has 5 gallons of a paint mixture that is 80% paint and 20% water. If she needs to thin the paint mixture so that it is 20% paint and 80% water,how many gallons of w

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Question 421700: An art teacher has 5 gallons of a paint mixture that is 80% paint and 20% water. If she needs to thin the paint mixture so that it is 20% paint and 80% water,how many gallons of water must she add?
Answer by jorel1380(3719) (Show Source): You can put this solution on YOUR website!
5x.8=4
.2n=4
n=4/.2=20
20-5=15
The art teacher needs 15 gallons of water to thin her paint..
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