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3 years ago

6

25+ Points for BEST TWO answers!

1 answer:

lana66690 [7]3 years ago

5 0

<span>You are not supposed to be wallpapering the ceiling or the floor. Because of that the formula to answering this question is: 2(h*w) + 2(l*w) [to account for the 4 walls being wallpapered]
2(9 x 18) + 2(9 x 20)
2(162) + 2(180)
324 + 360
684 is the answer
</span>

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