SOLUTION: Jane can paint a 12 foot by 12 foot wall in 3/4 of an hour. How long will it take her to paint another wall that is 15 x 16 ft. Do not use cross multiplication.Draw a picture.
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Question 444102: Jane can paint a 12 foot by 12 foot wall in 3/4 of an hour. How long will it take her to paint another wall that is 15 x 16 ft. Do not use cross multiplication.Draw a picture.
Answer by rwm(914) (Show Source): You can put this solution on YOUR website!
12*12=144 sq ft
15*16=20*12=240
20*12/12*12
20/12=5/3
5/3*3/4=5/4 hrs= 1.25 hrs
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