SOLUTION: After sitting in a taxi for 9 minutes, Sally realizes the cost of her ride is $9.05. Three minutes later the cost was $10.40. How much will the ride be in 30 minutes?

Question 1084005: After sitting in a taxi for 9 minutes, Sally realizes the cost of her ride is $9.05.
Three minutes later the cost was $10.40. How much will the ride be in 30 minutes?
Answer by josgarithmetic(39630) (Show Source): You can put this solution on YOUR website!
x, time
y, cost

Points (9, 9.05) and (12, 10.4)

rate

30 minutes after the just traveled 9 minutes would be 39 minutes.

If the whole ride is only 30 minutes, .
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