Home » GMAT » 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?
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$
Correct Answer: B
Explanation/Reference:
Explanation:
The cost of fuel per a sports car is: 1.15 + 32 x 0.4 = 13.95 $. The cost of fuel per an executive car is: 1.15 + (32 x 1.75) x 0.4 = 1.15 + 56 x 0.4 = 23.55$. The sum of the fuel price is: 13.95 x 2 + 23.55 x 2 = 75$
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