the area of a rectangle is 160 in squared. the ratio of the length to the width is 5:2 find the length and width

Question

Mathematics

Punkin

20 November, 10:46

the area of a rectangle is 160 in squared. the ratio of the length to the width is 5:2 find the length and width

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Answers (1)

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Halfling · Answer 1

let x=length

let y=width

x/y=5/2

y=2x/5

area=length*width

area=x*y=x (2x/5) = 2x^2/5

2x^2/5=360

2x^2=1800

x^2=900

x=30

y=60/5=12

length = 30 inches

width = 12 inches

there you go!