The student council at Hillsdale High School is making T-shirts to sell for a fundraiser, at a price of $ 10 each. The costs, meanwhile, are $ 9 per shirt, plus a one-time setup fee of $ 79.
Selling a certain number of shirts will allow the student council to cover their costs.
What will the costs be? How many shirts must be sold?

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step-by-step explanation:

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

i think the correct option is the second option.