branaej branaej

01-11-2020
Mathematics

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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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netizenwebb netizenwebb

01-11-2020

Answer:

y = 105x

Step-by-step explanation:

$315 ÷ 3 = $105 per hour

$525 ÷ 5 = $105 per hour

Constant of Proportionality is $105 in both cases.

y = kx

y = 105x

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