the width of a rectangle is 2/3 of the length. the perimeter of the rectangle is 15 cm. what is the length,l, of the rectangle. exlplain

asked Nov 26, 2018 226k views

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perimeter of a rectangle=2(L+w)
15=2(L+2/3L) where w=2/3*L
15=2(5L/3)

L=9/2=4.5 cm

Simon Mattes answered Dec 2, 2018

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