# Math

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The amount of paint p needed to paint the walls of a room varies directly as the area A of the wall. If two gallons of paint is needed to paint a 40 sq meter wall, how many gallons of paint are needed to paint a wall with an area of 100 sq meters?

• Math -

1 gallon is needed to paint 20 square meters.

100 / 20 = ?

• Math -

5 gallons

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