One hundred gallons of fuel are purchased at $0.70 per gallon.
One hundred gallons of fuel are purchased at $0.70 per gallon. The fuel is consumed at a rate of $0.50 worth of fuel per hour. At this rate, how many hours are required to consume the 100 gallons of fuel?
Answer/Solution
140
Steps/Work
The fuel is consumed at this rate: $0.50/$0.70 = 5/7 gallons per hour.
The time it takes to consume 100 gallons is: 100 / (5/7) = 140 hours.
The answer is C.
The time it takes to consume 100 gallons is: 100 / (5/7) = 140 hours.
The answer is C.