A taxi driver charges a flat fee of 4.00 plus 2.25 per mile. How much will be taxi driver earn if he takes one passenger 4.8 miles and another passenger 7.3 miles? explain your process.

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souran
by considering what question says we have:
y=2.25x+4
so
passenger 1:y=2.25(4.8)+4=14.8
passenger 2:y:2.25(7.3)+4=20.425
total:14.8+20.425=35.225