SOLUTION: Write an expression that represents the total amount of gasoline used. A family has a hybrid car that gets 40 miles per galloon and a truck ath gets 17 mpg. They drive 500 miles

Question 1154720: Write an expression that represents the total amount of gasoline used. A family has a hybrid car that gets 40 miles per galloon and a truck ath gets 17 mpg. They drive 500 miles per week using both vehicles but dont want to use more than 20 galloons of gas.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = distance/wk driven with hybrid
= distance driven with truck
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answer
solve:
Multiply both sides by

and

---------------------------------
check:

OK
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