SOLUTION: Peter is one-fifth of his fathers age. Their combined age is 48. Write a linear equation to represent this information. Solve the linear equation. How old is Peter's Father and how

Question 1053249: Peter is one-fifth of his fathers age. Their combined age is 48. Write a linear equation to represent this information. Solve the linear equation. How old is Peter's Father and how old is Peter?
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Peter: P
Father: F
You can substitute with x and y if required.
:
P = 1/5F
P+F = 48 substitute for P
1/5F+F = 48
Multiply both sides times 5:
F+5F = 240
6F = 240
F = 240/6 = 40 The father is 40
And Peter: 40*1/5 = 40/5 = 8 Peter is 8
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