Given the consumption of 9.5 gallons per hour at a cruising altitude of 6,000 feet, how long would it take to use 35 gallons?

To determine how long it would take to use 35 gallons of fuel given a consumption rate of 9.5 gallons per hour, you can start by calculating the total time required for the fuel consumption based on the hourly rate.

First, divide the total fuel quantity (35 gallons) by the consumption rate (9.5 gallons per hour):

[

\text{Time} = \frac{\text{Total Fuel}}{\text{Consumption Rate}} = \frac{35 \text{ gallons}}{9.5 \text{ gallons/hour}} \approx 3.6842 \text{ hours}

]

Now, to convert the decimal hours into a format of hours and minutes, take the decimal part (0.6842) and multiply it by 60 (the number of minutes in an hour):

[

0.6842 \text{ hours} \times 60 \text{ minutes/hour} \approx 41 \text{ minutes}

]

Therefore, combining the hours and minutes gives you a total of approximately 3 hours and 41 minutes. The closest option to this computed time is 3 hours and 45 minutes, which is why it would be indicated as option C.

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