A rectangular sheet of paper measures 8.5 inches by 11 inches. Ava is calculating its area in square
ft. The first step of Ava's work is shown below.
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From inches to feet
12 in = 1 ft
x in * 1ft/ 12 = y ft
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A= 8.5 in * 11 in
A= 93.5 sq in * (1ft/ 12 in)^2 = 93.5 sq in * (1ft/ 144 in)
or
Area = (8.5 in* 1ft/ 12 in) x 11 in*( 1ft/ 12 in)
Area = (0.71 1ft) x ( 0.92 ft)
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2. Which equation follows directly from step 1 to find Ava's solution in the correct units?
A Area = 8.5 in x 11 in ( FALSE inches)
B Area = in x in
с Area = 8.5 ft x 11 ft ( FALSE the given units are in )
D Area = 8.5/ 12 ft x 11 / 12 ft (This is the answer)
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