shaniad337
shaniad337 shaniad337
  • 04-08-2017
  • Mathematics
contestada

A rectangle is 3 times as long as it is wide. The perimeter is 60cm. Find the dimensions of the rectangle.

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Banabanana
Banabanana Banabanana
  • 04-08-2017
width = x 
length = 3x

2(x + 3x) = 60
4x = 60/2
4x = 30
x = 30/4
x = 7.5 cm   ← width 

length = 3x = 3 * 7.5 = 22.5 cm


Answer Link
kateacrissy01 kateacrissy01
  • 04-08-2017
7.5cm x 22.5cm is the answer.
Answer Link

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