SOLUTION: Sharon would like to know how much gas will cost for her to take a trip to her vacation home 180 miles away. she know the average price of gas and the average mile per gallon for

Question 831724: Sharon would like to know how much gas will cost for her to take a trip to her vacation home 180 miles away. she know the average price of gas and the average mile per gallon for her car. write a solution to calculate the cost of her trip.(remember she has to travel back)
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Needed numbers are fuel efficiency in miles per gallon, and price of gasoline in dollars per gallon.

Let q be fuel efficiency, and let p be fuel price.
Sharon will do a round trip, so this is 2*180 miles.

, showing all the units with their numbers.
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, showing all the units AFTER the number expression.
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Just compute, and notice how the units cancel to leave just dollars.
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