The equation that can be used to determine the total cost is Total cost = $50 + (7 x $10).
Fixed cost is the cost of joining the drumming club. It remains constant regardless of the total hours. Variable cost is the cost that increases with the total hours
Total cost = fixed cost + (variable cost x total hours)
Total cost = $50 + (7 x $10)
Total cost = $50 + 70
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