Question

The sum of Pete's and Sam's ages is 30. Five years ago, Pete was 3 times as old as Sam. How old is Sam?

Let P = Pete's age, S = Sam's age, and P + S = 30. Which of the following equations would complete the system?


P - 5 = 3S
P - 5 = 3S - 5
P - 5 = 3S - 15

Answer 1

A=B=C=D=E THEN FMUST = 1

Answer 2

lol

Answer 3

wat

Answer 4

So

First statement: The sum of Pete's and Sam's ages is 30
P+S=30

Second statement: Five years ago, Pete was 3 times as old as Sam
P-5+S-5=P+3S

Answer 5

go on

Answer 6

That's it. You are asked what statement would complete the system, which is the second statement.

Answer 7

oh lol thanks dood/chick