LukeCimorelli LukeCimorelli

21-12-2016
Mathematics

contestada

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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texaschic101 texaschic101

21-12-2016

(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

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