SOLUTION: At the Speedy Gas and Go, a car wash costs $3.00, and gasoline is selling for $2.50 a gallon. Holly Lam has $17.25 to spend, and she must have her car washed. What is the maximum

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Question 72903: At the Speedy Gas and Go, a car wash costs $3.00, and gasoline is selling for $2.50 a gallon. Holly Lam has $17.25 to spend, and she must have her car washed. What is the maximum number of gallons of gasoline she can purchase?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract $3 from 17.25
17.25-3=14.25This is how much money she has left over
Now divide this by the price of gas since the number of gallons*price=total
14.25%2F2.5=5.7So she can get as much as 5.7 gallons of gas
Check:
%282.5%2A5.7%29%2B3=17.25
14.25%2B3=17.25
17.25=17.25Works