Concept explainers
To write: The equation that relates total earning to total number of dogs. Also to calculate total earning after walking 9 dogs.
Answer to Problem 20MCQ
The equation that compares total earning (in dollars) to total dogs walked is
Explanation of Solution
Given information:
The earning for walking 4 dogs is $27.
Concept used:
First to calculate rate of earning for walking one dog by dividing 27 by 4 and then use the formula,
Calculation:
Total earning by
Now using above formula, if the total earning be c and number of dogs be n, then equation that compares earning to the number of dogs walked be
Now when total dogs be 9, or when
Conclusion: Required equation is
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