Asked by Anonymous
Fun Center rents popcorn machines for $20 per hour. In addition to the hourly charge, there is a rental fee of $32. Is the number of hours you rent the popcorn machine proportional to the total cost?
Please answer the question. I need help.
Please answer the question. I need help.
Answers
Answered by
Professor Ryan J.
You need to put the number $20 in a line. You need to keep adding to see if it's proportional.
$20 + $32 = $52
Put it in like this: 20, 40, 60
That is 3 hours. Now add the '32' do the number. Divide them by 2. See if it's proportional.
$20 + $32 = $52
Put it in like this: 20, 40, 60
That is 3 hours. Now add the '32' do the number. Divide them by 2. See if it's proportional.
Answered by
oobleck
It is not proportional. If it were, the relationship would look like
cost = 20 * hours
But this is not true, since your function is cost = 20 * hours + 32
cost = 20 * hours
But this is not true, since your function is cost = 20 * hours + 32
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