Question

A full can of paint contains 4/5 of a gallon. Brandon used 3/4 of a can of paint to paint a doghouse. He then used 2/3 of what remained in the can to paint a door. How much paint is left in the can,in gallons?

Answer 1

1/60 gallon

Explanation:

You want to know what is left of 4/5 gallon of paint if 3/4 gallon was used to paint a doghouse, and 2/3 of the remaining amount was used to paint a door.

Amount remaining

To find the amount remaining we subtract the amount used for the doghouse from the original amount:

4/5 -3/4 = (16 -15)/20 = 1/20 . . . . . gallon

2/3 of that was used, so 1/3 of it remains:

(1/3)(1/20 gallon) = 1/60 gallon

There is 1/60 of a gallon of paint left in the can.

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Additional comment

In a standard size gallon paint can, that's about 0.11 inches of paint in the bottom.

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