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mafiozo [28]
3 years ago
8

Francis teaches the piano. He charges each student an enrollment fee of $100 plus $15 per hour of piano lessons. The average cos

t of lessons for a student per hour is $25.

Mathematics
1 answer:
DanielleElmas [232]3 years ago
7 0
I added screenshots with the complete question as well as the available choices.

Answer:
25 = \frac{100+15h}{h}

which is the first option

Explanation:
We given that:
He charges $100 as enrollment fees and $15 per hour
Given that the number of hours is h, the total cost for h hours will be:
cost = 100 + 15h ...........> I

We are also given that:
The average cost per hour is $25.
This means that:
\frac{cost}{hour} = $25 ............> II

Divide both sides of equation I by h:
\frac{cost}{hour} = \frac{100+15h}{h}

Substitute with \frac{cost}{hour} = 25 to get the equation used to solve for h as follows:
25 = \frac{100+15h}{h}

Hope this helps :)



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