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Claude spends $315 to rent a car. The car he rents costs $45 per day. He has a coupon for 2 free days. Complete the equation below to find the number of days Claude rents the car. Use d to represent the number of days

____(_____-____)=_______
2 2 2 2
9 9 9 9
45 45 45 45
90 90 90 90
350 350 350 350
d d d d

Respuesta :

mathstudent55

He rents for d days, but two days are free, so he pays for only d - 2 days.

The rental fee is $45 per day, so for d - 2 days, he pays 45(d - 2). The total he pays is $315, so the equation is

45(d - 2) = 315

Now we solve the equation to find d, the number of days.

45(d - 2) = 315

45d - 90 = 315

45d = 405

d = 9

The number of days is 9.

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