Peyton is three years younger than Justin. Matt is four times as old as Peyton. If you add together the ages of Justin, Peyton and Matt, the total comes to 39 years. How old are Justin, Peyton and Matt? I need to find the equation

ANSWERS

2015-11-08 20:25:51

Peyton is 28 years old Justin is 7 years old Matt is 4 years old

2015-11-08 20:27:06

j + p + m = 39 m = 4p ....m = 4(j - 3)....m = 4j - 12 p = j - 3 j + j - 3 + 4j - 12 = 39 6j - 15 = 39 6j = 39 + 15 6j = 54 j = 54/6 j = 9 <== justin m = 4j - 12 m = 4(9) - 12 m = 36 - 12 m = 24 <=== matt p = j - 3 p = 9 - 3 p = 6 <===peyton

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