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Question 4 (25 points)
Charley wants to start taking golf lessons. There is a one-time fee of $45 to sign up, then it costs $80 per month. a) Write an equation to model
this problem. b) What will be the total cost after 7 months?
a
d
C = 45m +80; The total cost will be $395 after 7 months.
C = 80m + 45; The total cost will be $605 after 7 months.
C = 45m +80; The total cost will be $125 after 7 months.
C = 80m + 45; The total cost will be $125 after 7 months.
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Answer: C = 80m + 45, $605

Since he's only paying the $45 once that will be considered a constant whereas the $80 a month will be a coefficient.

To get the total cost substitute M for the number of months, where C = 80(7) + 45. This simplifies to 560+45 = 605