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

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Math Expert
Joined: 02 Sep 2009
Posts: 64158
In a fuel station the service costs \$1.15 per car, every liter of fuel  [#permalink]

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28 Jun 2016, 06:14
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Difficulty:

15% (low)

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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Joined: 21 Jun 2016
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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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28 Jun 2016, 06:21
Lots of calculations...

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

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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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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

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