Question 62700
O=S+12
N=2S
S+O+N=132
S+(S+12)+2S=132
S+S+12+2S=132
4S=132-12
4S=120
S=120/4]
S=30 SOLUTION
O=30+12
S=42 SOLUTION
N=2*30
N=60 SOLUTION
PROOF
30+42+60=132
132=132