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# Gary’s Gas Station serves an average of 20 cars per hour on Saturdays,

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Math Expert
Joined: 02 Sep 2009
Posts: 61549
Gary’s Gas Station serves an average of 20 cars per hour on Saturdays,  [#permalink]

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25 Mar 2016, 02:39
00:00

Difficulty:

15% (low)

Question Stats:

84% (01:41) correct 16% (02:30) wrong based on 69 sessions

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Gary’s Gas Station serves an average of 20 cars per hour on Saturdays, 10 cars per hour on Sundays, and 9 cars per hour on all other days of the week. If the station is open from 6 a.m. to 10 p.m. every day, how many cars does Gary’s station serve over the course of a typical week?

A. 1,160
B. 1,200
C. 1,240
D. 1,280
E. 1,320

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Marshall & McDonough Moderator
Joined: 13 Apr 2015
Posts: 1672
Location: India
Re: Gary’s Gas Station serves an average of 20 cars per hour on Saturdays,  [#permalink]

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25 Mar 2016, 08:07
6 a.m. to 10 p.m. = 16 hours

Number of cars serviced on weekdays = (16 * 9 * 5)
Number of cars serviced on Saturday = (16 * 20)
Number of cars serviced on Sunday = (16 * 10)

Number of cars served in a week = 16(45 + 20 + 10) = 16 * 75 = 1200

Re: Gary’s Gas Station serves an average of 20 cars per hour on Saturdays,   [#permalink] 25 Mar 2016, 08:07
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