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Please hurry I will mark you brainliest The length of a rectangle is 5 less than 4 times the width. The perimeter is 136 m. Det
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Please hurry I will mark you brainliest
The length of a rectangle is 5 less than 4 times the width. The perimeter is 136 m. Determine the dimensions of the rectangle. Write an equation and the “let statements”
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Mathematics
7 months
2021-07-16T16:01:40+00:00
2021-07-16T16:01:40+00:00 1 Answers
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Answer:
l = 14.6 m
b = 53.4 m
Step-by-step explanation:
Let breadth be x
Let lenght be 4x-5
so,
perimeter = 2(l+b)
136 = 2(4x-5+x)
or, 136 = 2(5x-5)
or, 136 = 10x – 10
or, 136 + 10 = 10x
or, 146 = 10x
or, x = 146/10
so, x = 14.6 m
so, breadth(x) = 14.6
so, lenght = 4x – 5
= (4×14.6)-5r
= 53.4m