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In a fuel station the service costs $1.15 per car, every liter of fuel

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In a fuel station the service costs $1.15 per car, every liter of fuel  [#permalink]

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New post 28 Jun 2016, 06:14
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Question Stats:

84% (02:33) correct 16% (01:39) wrong based on 24 sessions

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In a fuel station the service costs $1.15 per car, every liter of fuel costs 0.4$. Assuming that you own 2 sports cars and 2 executive cars and all fuel tanks are empty. How much will it cost to fuel all cars together if a sports car tank is 32 liters and an executive car tank is 75% bigger?

A. 37.5$
B. 75$
C. 87.5$
D. 94.5$
E. 98.4$

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Re: In a fuel station the service costs $1.15 per car, every liter of fuel  [#permalink]

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New post 28 Jun 2016, 06:21
Lots of calculations...

1.15*4 + 32*2 *0.4 * 32*(7/4)*2*0.4

Answer = 75.
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Re: In a fuel station the service costs $1.15 per car, every liter of fuel  [#permalink]

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New post 28 Jun 2016, 06:34
Bunuel wrote:
In a fuel station the service costs $1.15 per car, every liter of fuel costs 0.4$. Assuming that you own 2 sports cars and 2 executive cars and all fuel tanks are empty. How much will it cost to fuel all cars together if a sports car tank is 32 liters and an executive car tank is 75% bigger?

A. 37.5$
B. 75$
C. 87.5$
D. 94.5$
E. 98.4$


Total cars=4
1.15*4=4.6->Service Cost

Fuel Cost in Sports Car = 2*32*0.4=25.6
Fuel Cost in Executive Car=25.6*7/4=44.8
Total Fuel Cost = 25.6+44.8=70.4

Cost to fuel car = 70.4+4.6=75

Answer: B
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Re: In a fuel station the service costs $1.15 per car, every liter of fuel   [#permalink] 28 Jun 2016, 06:34

In a fuel station the service costs $1.15 per car, every liter of fuel

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