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21. A tuxedo rental service charges $125 flat fee for a suit, plus $30 more for eachadditional day. Write an equation for this situation where y = total cost and x =additional days.22, What is the total cost for renting a suit after 3 days? (refer to your equation from #21)

Respuesta :

The fixed cost for suit is $125 and for every additional day, the cost can be calculated as 30*x.

Therefore, the total cost is the sum of the fixed cost ($125) and the additional cost per additional day ($30x). So, the total cost y is:

y = 125 + 30x

To calculate the total cost after 3 days, we need to replace x by 3 on the initial equation as:

y = 125 + 30*3

y = 125 + 90

y = 215

Answers: 21. y = 125 + 30x

22. $215

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