soy75 soy75
  • 26-03-2019
  • Mathematics
contestada

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

Respuesta :

jking39 jking39
  • 27-03-2019

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!

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