
C=20m+15 represents the relationship between cost and number of months.
Step-by-step explanation:
Given,
Initial fee charged by gym = $15
Per month fee of gym = $20
Let,
m be the number of months.
C be the total cost for m months.
Total cost = Initial fee + Per month fee*number of months
C = 15+20m
C=20m+15
C=20m+15 represents the relationship between cost and number of months.
Keywords: equation, addition
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