The surf instructor has an initial fee of $12 and charges $8 per hour for lessons, which is represented by the equation y = 8x + 12, where x is the number of hours and y is the total cost. The instructor gives 32 hours of lessons a month to Sandra and 24 hours of lessons a month to Bela. What is the total amount the instructor makes in a month?
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Answer:
$472.00
Step-by-step explanation:
y = f(x) = 8x + 12
f(32) = 8 × 32 + 12 = 268
f(24) = 8 × 24 + 12 = 204
$268.00 + $204.00 = $472.00
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