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If 3/4 of a gallon of paint covers 2/5 of a wall, then how many gallons are needed to paint the entire wall?

If 3/4 of a gallon of paint covers 2/5 of a wall, then how many gallons are needed to paint the entire wall?
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If 3/4 of a gallon of paint covers 2/5 of a wall, then how many gallons are needed to paint the entire wall?

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User Nicolina
by
8.2k points

1 Answer

3 votes
(3/4) / (2/5) = x / 1
cross multiply
2/5x = 3/4
x = 3/4 * 5/2
x = 15/8 = 1 7/8 gallons are needed
answered
User Nathan Schubkegel
by
8.4k points
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