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Cathy measured a room to be 10 1/2 feet by 12 5/8 feet. What is the area of the room

Sagot :

We know that are for the rectangle is A=a*b, where 
A i area, a is one side and b is second side. It doesnt matter side we assume a or b because multiplicity is commutative.
We can substitute our data to formula
A=[tex]10 \frac{1}{2} *12 \frac{5}{8} = \frac{21}{2}* \frac{101}{8}= \frac{21*101}{2*8}= \frac{2121}{16}= 132.56[/tex] [feet squared] - its the answer
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