SOLUTION: The Randolphs used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was use

Algebra ->  Functions -> SOLUTION: The Randolphs used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for the 3 months, how much was use      Log On


   

Question 62700: The Randolphs used 12 more gal of fuel oil in October
than in September and twice as much oil in November as in September. If they
used 132 gal for the 3 months, how much was used during each month?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
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