sjeueujs9034 sjeueujs9034

13-01-2018
Mathematics

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

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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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