Answer:
23.64 gallons
Step-by-step explanation:
Given:
Samantha drove her car with a full tank of gas 268 miles to her friends town
for an average of 22.68 miles/gallons and then refilled her car with gas.
Question asked:
How much gas was used by the car on the trip ?
Solution:
<u><em>By unitary method:</em></u>
<u>As average of car is given 22.68 miles/gallons:</u>
For 22.68 miles, number of gallons of gas used = 1
For 1 mile, number of gallons of gas used =
For 268 mile, number of gallons of gas used =
=
Now, to find total gas used in whole trip :-
11.82 + 11.82 = 23.64 gallons of gas
Thus, 23.64 gallons of gas used by the car on the trip.