Question 73051
O=October
S=September
N=November

O-12=S
2S=N
S+N+O=132

Since they gave you how to turn O and N to S, Convert It.

S+2S+S+12=132
4S+12=132
4S=132-12
4S=120
S=120/4
S=30

USE S TO FIND N AND O

30=O-12
30+12=O
42=O
O=42

2S=N
60=N
N=60

CHECK

S+N+O=132
30+60+42=132
132=132

O=42
N=60
S=30

YAY! WE DID IT!