Raaksha Raaksha
  • 21-11-2017
  • Mathematics
contestada

The perimeter of a rectangle is 876cm. The length is 1cm less than three times the width. What is the length and width?

Respuesta :

ilovecats9573ozkvsq
ilovecats9573ozkvsq ilovecats9573ozkvsq
  • 21-11-2017
2l+2w=876
3w-1=l
Sub in l to find w
2(3w-1)+2w=876
6w-2+2w=876
8w=876+2
8w=878
W=109.75
Sub in w to find l
3(109.75)-1=l
329.25-1=l
L=328.25
Answer Link
alyssamadero04oye65w
alyssamadero04oye65w alyssamadero04oye65w
  • 21-11-2017
L=328.25

Hope this helps
Answer Link

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