Problema Solution
when an oil tank is 7/12 full, it contains 5 1/4 gallons. How many gallons does it hold when full?
Answer provided by our tutors
let x = gallon of full tank
(7/12)x = 5 1/4
(7/12)x = (4*5+1)/4
(7/12)x = 21/4
by solving we find
x = 9 gal
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full tank hold 9 gallons.