SOLUTION: in cranston, taxis charge $4 plus 90 cents per mile for an airport pickup. how far from the airport can ralph travel for $17.50?

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Question 344045: in cranston, taxis charge $4 plus 90 cents per mile for an airport pickup. how far from the airport can ralph travel for $17.50?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
4+.90x=17.50
.90x=17.50-4
.90x=13.50
x=13.50/.90
x=15 miles ans.