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The length of a rectangle is 2 cm less than 7 times the width. The perimeter is 60 cm. Find the width and length.
Lets assume width=x. Then lenght its 7*x-2 We know that perimeter its 2*length+2*width=60 Now we substitute our x and 7x-2 2*(7x-2)+2x=60 14x-4+2x=60 /+4 16x=64 /:16 x=4 - its the width 7*x-2, where x=4 28-2=26 - length
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