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Mathematics 23 Online
OpenStudy (anonymous):

At Sal's Scuba Shop, you can get 3 hours of lessons for $225. What is the cost per hour?

jimthompson5910 (jim_thompson5910):

\[\Large \text{cost per hour} = \frac{\text{total cost}}{\text{number of hours}}\]

OpenStudy (ellamallow):

You simply divide 225 by 3, to get the number

OpenStudy (anonymous):

So, $75 cost per hour?

jimthompson5910 (jim_thompson5910):

yep

OpenStudy (anonymous):

Thanks.

jimthompson5910 (jim_thompson5910):

you're welcome

OpenStudy (ellamallow):

Good job :)

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