sjeueujs9034 sjeueujs9034
  • 13-01-2018
  • Mathematics
contestada

Three times the perimeter of a triangle is the same as 75 decreased by twice the perimeter. What is the perimeter of the triangle

Respuesta :

habeebmusa24 habeebmusa24
  • 13-01-2018
solution
let p be the perimeter of the triangle then
3p=75-2p   collect the like terms
3p+2p=75
5p=75  divide both side by 5
5p/5=75/5⇒p=15.
therefore the perimeter of triangle is 15 units  
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