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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.
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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.

User Hanan Shteingart
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1 Answer

1 vote
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
User Avishka Dambawinna
by
7.4k points
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