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Mathematics 14 Online
OpenStudy (anonymous):

a picture frame is shaped like a rectangle whose perimeter is 252cm. the length is 5 times as long as the width. find the length and the width.

OpenStudy (anonymous):

P=2L+2W and L=5W so P=2*5W+2W =12W or P=12W and P=252, so 252=12W w=252/12=21 cm and so L=5(21)=105 cm

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