The errand service company gets a discount at the fuel center when they fill up more than 4 cars at a time. The service is $1.10 per vehicle and .30 cents per liter of fuel. On Monday , they will fill 3 vans and 3 cars. The cars are 25 liters each and the vans are 60% bigger. How much will it cost to fill up all vehicles if they are empty?
Select the correct option
A) $65.50 B) $68.10 C) $67.50 D) $68.50 E) $65.10
Lots of calculations.   1.10*6 + 3*25*.30+ 25*(8/5)*3*.30= 
<gadget id="calculator">1.10*6 + 3*25*.30+ 25*(8/5)*3*.30</gadget>
<output>65.1</output>
$65.10   The correct option is $65.10.
<result>E</result>
The errand service company gets a discount at the fuel center when they fill up more than 4 cars at a time. The service is $1.10 per vehicle and .30 cents per liter of fuel. On Monday , they will fill 3 vans and 3 cars. The cars are 25 liters each and the vans are 60% bigger. How much will it cost to fill up all vehicles if they are empty?