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

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AAPL: Moderator; Posts: 2599; Joined: Sun Oct 29, 2017 2:08 pm; Followed by:2 members

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

by AAPL » Thu Mar 07, 2019 5:05 am

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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

OA C

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Source: Beat The GMAT — Problem Solving | Thu Mar 07, 2019 5:05 am

swerve: Legendary Member; Posts: 2499; Joined: Sun Oct 29, 2017 2:04 pm; Followed by:6 members

by swerve » Thu Mar 07, 2019 9:39 am

We can form an equation based on the given information

Total $= 9060$
Down Payment $= 2550$
Monthly Installment $= 155$

Number of monthly payments?

$$\begin{align}
2550 + n(155) &= 9060 \\
155 n &= 6510 \\
n &= 42.
\end{align}$$
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Scott@TargetTestPrep: GMAT Instructor; Posts: 8083; Joined: Sat Apr 25, 2015 10:56 am; Location: Los Angeles, CA; Thanked: 43 times; Followed by:29 members

by Scott@TargetTestPrep » Sun Mar 10, 2019 6:43 pm

AAPL wrote:GMAT Prep

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

OA C