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# A certain toll station on a highway has 7 tollbooths, and each tollboo

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A certain toll station on a highway has 7 tollbooths, and each tollboo  [#permalink]

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30 Jul 2018, 07:03
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Difficulty:

45% (medium)

Question Stats:

73% (02:26) correct 27% (02:30) wrong based on 553 sessions

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A certain toll station on a highway has 7 tollbooths, and each tollbooth collects $0.75 from each vehicle that passes it. From 6 o'clock yesterday morning to 12 o'clock midnight, vehicles passed each of the tollbooths at the average rate of 4 vehicles per minute. Approximately how much money did the toll station collect during that time period? A.$1,500
B. $3,000 C.$11,500
D. $23,000 E.$30,000

NEW question from GMAT® Quantitative Review 2019

(PS01443)

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Re: A certain toll station on a highway has 7 tollbooths, and each tollboo  [#permalink]

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30 Jul 2018, 07:34
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Bunuel wrote:
A certain toll station on a highway has 7 tollbooths, and each tollbooth collects $0.75 from each vehicle that passes it. From 6 o'clock yesterday morning to 12 o'clock midnight, vehicles passed each of the tollbooths at the average rate of 4 vehicles per minute. Approximately how much money did the toll station collect during that time period? 4 Vehicle in 1 Minute 4 Vehicle*60 in 60 Minute(1 Hour) = 240 Vehicle in 1 Hour Total time duration (6 o'clock yesterday morning to 12 o'clock midnight) = 18 hrs Total tollbooths = 7 Cost of each vehicle passed =$0.75

Therefore,
Total cost collected = 240 * 18 * 7 * 0.75 = 22680 = 23000 (approx)

Hence, D.
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Re: A certain toll station on a highway has 7 tollbooths, and each tollboo  [#permalink]

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30 Jul 2018, 07:35
From 6 am to 12 am - 18hrs
Vehicles per minute - 4
Vehicles per hour - 60×4 = 240
Therefore total number of vehicles passed - approx = 250×18 = 4500
Number of toll booths = 7
Money collected = 7×4500×0.75 = 23000$Hence D (I've rounded up a few numbers above for easy calculation) Posted from my mobile device _________________ Only those who risk going too far, can possibly find out how far one can go Senior Manager Joined: 18 Jun 2018 Posts: 267 A certain toll station on a highway has 7 tollbooths, and each tollboo [#permalink] ### Show Tags 30 Jul 2018, 09:08 Bunuel wrote: A certain toll station on a highway has 7 tollbooths, and each tollbooth collects$0.75 from each vehicle that passes it. From 6 o'clock yesterday morning to 12 o'clock midnight, vehicles passed each of the tollbooths at the average rate of 4 vehicles per minute. Approximately how much money did the toll station collect during that time period?

A. $1,500 B.$3,000
C. $11,500 D.$23,000
E. $30,000 NEW question from GMAT® Quantitative Review 2019 (PS01443) OA:D Total hours: $$18 hours$$ Total Vehicles passed per toll booth per hour : $$4*60 =240$$ Toll collected per vehicle :$$0.75$$ Number of Toll booths:$$7$$ Total money collected = Total hours * Total Vehicles passed per toll booth per hour *Toll collected per vehicle *Number of Tollbooths = $$18*240*0.75*7=22680$$ Target Test Prep Representative Status: Founder & CEO Affiliations: Target Test Prep Joined: 14 Oct 2015 Posts: 6200 Location: United States (CA) Re: A certain toll station on a highway has 7 tollbooths, and each tollboo [#permalink] ### Show Tags 01 Aug 2018, 16:37 1 Bunuel wrote: A certain toll station on a highway has 7 tollbooths, and each tollbooth collects$0.75 from each vehicle that passes it. From 6 o'clock yesterday morning to 12 o'clock midnight, vehicles passed each of the tollbooths at the average rate of 4 vehicles per minute. Approximately how much money did the toll station collect during that time period?

A. $1,500 B.$3,000
C. $11,500 D.$23,000
E. $30,000 We can create the expression: 7 tollbooths x$0.75 per vehicle x 4 vehicles per minute x 60 minutes x 18 hours = $22,680 ≈$23,000

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Re: A certain toll station on a highway has 7 tollbooths, and each tollboo  [#permalink]

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19 Oct 2018, 05:23
2
Bunuel wrote:
A certain toll station on a highway has 7 tollbooths, and each tollbooth collects $0.75 from each vehicle that passes it. From 6 o'clock yesterday morning to 12 o'clock midnight, vehicles passed each of the tollbooths at the average rate of 4 vehicles per minute. Approximately how much money did the toll station collect during that time period? A.$1,500
B. $3,000 C.$11,500
D. $23,000 E.$30,000

NEW question from GMAT® Quantitative Review 2019

(PS01443)

6AM to 6PM = 12 hours then another 6 hours to midnight total 18 hours.

18 * 60 = 1,080 minutes * 4 cars = 4,320 cars passing.

Since the cost each car is 0.75 which equals 3/4

so 3/4 * 4,320 = 3 * 1,080 * 7(for the tollbooths) = 21 * 1,080

No need to go through tedious calculations 20 * 1,000 = 20,000 there is only one answer with such thousands digit.

Re: A certain toll station on a highway has 7 tollbooths, and each tollboo   [#permalink] 19 Oct 2018, 05:23
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