Living room 3

Pearl wants to buy a carpet to cover her whole living room, except for the tiled floor. The tiled floor is 7 1/2 ft by 3 1/4 ft. The room has dimensions of 12 1/4 ft x 5 ft. Find the area the carpet needs to cover.

Correct answer:

A =  36 78 = 295/8 ft2

Step-by-step explanation:

a=721=7+21=27 2+1=214+1=215=7.5 ft b=341=3+41=43 4+1=412+1=413=3.25 ft  x=1241=12+41=412 4+1=448+1=449=12.25 ft y=5 ft  S1=a b=215 413=2 415 13=8195=24.375 ft2 S2=x y=449 5=449 5=4245=61.25 ft2  A=S2S1=42458195=84908195=8490195=8295=8295 ft2=3687 ft2=36.875 ft2

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