Question 956519
T=capacity of smaller tank
T+(2T+9gal)=63 gallons
3T+9gal=63 gallons Subtract 9 gallons from each side.
3T=54 gallons Divide each side by 3.
T=18 gallons ANSWER 1: The small tank holds 18 gallons
2T+9gal=2(18 gal)+9gal=36gal+9gal=45 gal ANSWER 2: The large tank holds 45 gallons.