A taxi ride cost $24.20 The driver charged $4 plus $0.30 per 0.5 mile traveled. Approximately how many miles did the taxi travel on this trip?

Question

 i really dont know how to solve this 

Answer 1

We know that the total fare for the ride was $24.20. The driver charges $4.30 per half mile (.5). I first divided 24.20 by 4.30 and got about 5.63. This is the approximate number of half miles, but they are asking for miles, so I divided 5.63 by .5 and I got approximately 2.81 miles. You can also solve it by figuring out how much a full mile would cost by multiplying 4.30 by 2 which would give you $8.60 per mile. Then divide $24.20 by $8.60 which should give you 2.81 miles also.