To find out how much is earned for washing 25 cars, we can use the information provided in the table. We can see that for every 3 cars washed, $13.50 is earned. Therefore, for every 1 car washed, $13.50/3 = $4.50 is earned. Now, we can calculate the amount earned for washing 25 cars: 25 * $4.50 = $113.50.
Washing 25 cars earns $112.50. This is calculated by finding the earnings per car and multiplying that by the number of cars. For every 3 cars washed, $13.50 is earned, which means each car earns $4.50.
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