elast
elast elast
  • 12-09-2021
  • Mathematics
contestada

A carpet has a perimeter of 320 feet. If the length is 3 times the width, what are the dimensions of the carpet?

The width = [a.) 120 b.) 40 c.) 80]
The length = [d.) 120 e.) 40 f.) 80]

Respuesta :

ferrybukantoro
ferrybukantoro ferrybukantoro
  • 12-09-2021

Step-by-step explanation:

p = 2×(l+w)

=> l = 3w

p = 2×(3w+w)

320 = 2× 4w

320 = 8w

=> w = 320/8 = 40

l = 3×40 = 120

so,

The width = b. ) 40 ft

The length = d.) 120 ft

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