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It costs $315 to book a DJ for 3 hours. It costs $525 to book the same DJ for 5 hours. Write an equation that represents the cost y in dollars of booking a DJ for x hours.
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It costs $315 to book a DJ for 3 hours. It costs $525 to book the same DJ for 5 hours. Write an equation that represents the cost y in dollars of booking a DJ for x hours.

User Acarbalacar
by
4.7k points

1 Answer

3 votes

Answer:

y = 105x

Explanation:

$315 ÷ 3 = $105 per hour

$525 ÷ 5 = $105 per hour

Constant of Proportionality is $105 in both cases.

y = kx

y = 105x

User Eugene B
by
4.3k points
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