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dedylja [7]
3 years ago
6

Peyton is three years younger than Justin. Matt is four times as old as Peyton. If you add together the ages of Justin, Peyton a

nd Matt, the total comes to 39 years. How old are Justin, Peyton and Matt? I need to find the equation
Mathematics
2 answers:
Soloha48 [4]3 years ago
6 0
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
astra-53 [7]3 years ago
5 0
Peyton is 28 years old

Justin is 7 years old 

Matt is 4 years old 

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