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Julia purchased a car on an installment plan. She made a down payment

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Julia purchased a car on an installment plan. She made a down payment  [#permalink]

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New post 03 Jul 2018, 23:12
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Question Stats:

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Julia purchased a car on an installment plan. She made a down payment of $2,550 and then made n monthly payments of $155 each. If Julia paid a total of $9,060 for the car,how many monthly payments did she make?

A. 30
B. 36
C. 42
D. 48
E. 54

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Re: Julia purchased a car on an installment plan. She made a down payment  [#permalink]

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New post 03 Jul 2018, 23:20
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Ans: C
Total Payment = 2550 + x(155) = 9060
so x=42 no of monthly payments.

Bunuel wrote:
Julia purchased a car on an installment plan. She made a down payment of $2,550 and then made n monthly payments of $155 each. If Julia paid a total of $9,060 for the car,how many monthly payments did she make?

A. 30
B. 36
C. 42
D. 48
E. 54

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Re: Julia purchased a car on an installment plan. She made a down payment  [#permalink]

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New post 03 Jul 2018, 23:22
Bunuel wrote:
Julia purchased a car on an installment plan. She made a down payment of $2,550 and then made n monthly payments of $155 each. If Julia paid a total of $9,060 for the car,how many monthly payments did she make?

A. 30
B. 36
C. 42
D. 48
E. 54



You can easily make an equation here..
9060=2550+155*n......
155n=9060-2550=6510
5*31n=31*210....
n=210/5=42
C
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Re: Julia purchased a car on an installment plan. She made a down payment  [#permalink]

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New post 04 Jul 2018, 04:44
Bunuel wrote:
Julia purchased a car on an installment plan. She made a down payment of $2,550 and then made n monthly payments of $155 each. If Julia paid a total of $9,060 for the car,how many monthly payments did she make?

A. 30
B. 36
C. 42
D. 48
E. 54



We can form an equation based on the given information.

Total = 9060
Down Payment = 2550
Monthly Installment = 155

Question : Number of monthly payments.


2550 + n(155) = 9060

155 n = 6510

n = 42.

Thus the best answer is C. Julia made 42 monthly payments.
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Re: Julia purchased a car on an installment plan. She made a down payment  [#permalink]

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New post 04 Jul 2018, 07:34
Bunuel wrote:
Julia purchased a car on an installment plan. She made a down payment of $2,550 and then made n monthly payments of $155 each. If Julia paid a total of $9,060 for the car,how many monthly payments did she make?

A. 30
B. 36
C. 42
D. 48
E. 54


\(9060 = 2550 + 155n\)

Or, \(155n = 6510\)

Or, \(n = 42\), Answer must be (C) 42
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Re: Julia purchased a car on an installment plan. She made a down payment &nbs [#permalink] 04 Jul 2018, 07:34
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