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10-10-2018
Mathematics

contestada

proportion Application

three gallons of paint will cover 825 squares of wall. Find how many square feet 4.5 gallons will cover.

Respuesta :

15-10-2018

Set up the proportions
[tex] \frac{3}{4.5} = \frac{825}{x} [/tex]
Cross multiply
3x = 3712.5

Divide by 3
x = 1237.5

4.5 gallons would cover 1237.5 square feet

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