Concept explainers
Use the table to write an equation and answer the question.
The table shows the amount earned for washing cars. How much is earned for washing 25 cars?
To use the table to write an equation and answer the given question.
Answer to Problem 14P
Money earned for 25 cars is $112.5.
Explanation of Solution
Given information :
First we shall determine the money earned per car.
Money earned per car
Now let us assume total cost be
Hence the equation shall be,
Now the money earned for washing 25 cars is,
Put
Hence money earned for 25 cars is $112.5.
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