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butalik [34]
3 years ago
5

At one point on the trip, the miles are recorded as 15,121 when the gas tank is 75% full. Use a ratio equation to determine the

miles per gallon the sedan averages. Round your answer to the nearest whole number.
Mathematics
1 answer:
Helga [31]3 years ago
5 0

The most common size of a sedan tank is 18.5 gallons. So if it is 75% full, it contains 13.875 gallons of gas. If it recorded a mileage of 15,121 miles, mileage per gallon, therefore, is 1090 rounded off to the nearest whole number.

Given: Gas full tank of a sedan – 18.5 gallons

<span>            75% full = 13.875 gallons</span>

<span>            Mileage using 13.875 gallons of fuel = 15,121 miles</span>

The mileage per gallon computation using the ratio equation:

Ratio is 15121:13.875 or

<span>            X/1= 15121/13.875</span>

<span>            13.875x = 15121</span>

<span>            X = 15121/13.875</span>

<span>            X =1089.80 or 1090 miles per gallon (rounded off)</span>

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