Answer:
<u>1. </u>0.0731 miles per gallon
2. $967.46
Step-by-step explanation:
The <u>I way</u><u> </u>travel for 5 days to work will cover: 10.7 miles.
A two travel to work and back home will be : 10.7* 2 =21.4 miles
On weekends miles covered = 5.8 miles
Last time the tank was filled with = 17.2 gallons of gas
The Trip A meter read = 389.30 ----this is the average fuel mileage
This means the trip consumed : 389.30 - 17.2 = 372.1 gallons of gas
Total miles covered are : 21.4 + 5.8 = 27.2 miles
1. Miles per gallon for the car will be;
372.1 gallons of gas = 27.2 miles
1 gallon of gas = ?
{27.2 *1} / 372.1 = <u>0.0731 miles per gallon</u>
2. Cost of gas per week will be ;
In the United States :
1 gallon of gasoline = $2.60
372.1 gallons of gas = ? $2.60 * 372.1 = $967.46
is the same fraction "upside down" 
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is "1 over" that number 
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