Barbara R. answered • 10/24/14

Mathematics Teacher/Tutor

Make a ratio.

400/2.5 = 720/x

400x = 720 x 2.5

x = 4.5

Travina B.

asked • 10/24/14Ysidra paints a room that has 400 square feet of wall space in 2/1/2 hours.

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Barbara R. answered • 10/24/14

Mathematics Teacher/Tutor

Make a ratio.

400/2.5 = 720/x

400x = 720 x 2.5

x = 4.5

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