the length of a rectangle is 4 cm less than 5 times its width its perimeter is 160 cm find its length and width

1 answer:

7 0

Let x= width
Length= 5x-4
2(x)+2(5x-4)=160
2x+10x-8=160
12x-8=160
+8. +8
12x=168
x=14
width=14
length= 5(14)-4=66

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the length of a rectangle is 4 cm less than 5 times its width its perimeter is 160 cm find its length and width​