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Louise measured the perimeter of her rectangular scrapbook to be 150 cm. If the scrapbook is 42 cm wide, how long is the scrapbook?
A.
75 cm
B.
31 cm
C.
66 cm
D.
33 cm

1 Answer

5 votes
D. 33 cm

P=2L+2W
P= 2(33)+2(40)=150
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