GIVEN:
If the EPA rating for a car is 22 mpg.
Required;
To calculate the amount of fuel needed for a 763-mile trip.
Step-by-step solution;
At the rate of 22 miles per gallon, a one-mile trip would require;
[tex]\begin{gathered} 22\text{ }miles=1\text{ }gallon \\ \\ 1\text{ }mile=\frac{1}{22}\text{ }gallons \end{gathered}[/tex]Hence, for a 763-mile trip, the amount of fuel needed will be;
[tex]\begin{gathered} 763\text{ }miles=(\frac{1}{22}\times763)\text{ }gallons \\ \\ 763\text{ }miles=34.6818181818\text{ }gallons \end{gathered}[/tex]Rounded up to the nearest whole number we now have;
ANSWER:
763 miles would require about 35 gallons of fuel