The frenchtown roller rink charges a $5 entrance fee and an hourly rate for roller skating. the total cost for roller skating depends on the number of hours a person skates. which equation represents the relationship btw the cost c and the number of hours

To answer this item, we let n be the number of hours that a person spend on the roller rink. We also let x be the cost or amount to paid each hour. The equation that would best represent the relationship between the total cost and the number of hours is,
                          C = 5 + nx

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