John C.

asked • 09/04/14

Question in description! Thank you!

 
You were on a trip through Ireland in a beat-up rental that gets 22.6 miles per gallon but only while maintaining average a speed of around 80.3 km/hr. How much, in $U.S. dollars, will it cost to fill the tank back up, assuming you started with a full tank 3.5 hours ago at the given speed?
 
This problem is all about unit conversion, etc. It doesn't seem like it should be extremely difficult, but I am having some trouble with it. Thanks!

1 Expert Answer

By:

John C.

Thank you! What if these are the numbers? 
 
The value of the Euro is currently $0.93 U.S. and the price of 1 liter of gasoline in Ireland is 1.604 Euro.
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09/04/14

Robert S.

tutor
I'm on my phone now so it's harder, but here goes. I'll set it up. You want your answer in dollars. 
 
7.72 gallons * 0.26 liters/1gallon * 1.604 euro/1 liter * 0.93 $/1 euro = ? $
 
Simple multiplication now. 
 
 
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09/04/14

John C.

I really appreciate the help. Thank you so much
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09/04/14

Robert S.

tutor
Glad I could help I hope the way I did it makes sense and you can start to set them up!
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09/04/14

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