Answer ! :)
If Jazmin spent $38.75 on all
Then it would 15miles ( 15m ) to get home.
As your adding the extra $5 which starts the process.
Basically a equation could be:
(5 + 2.25 = 7.25) + ( 2.25 x 14 )
Extra info if needed more explanation: ( 2.25 x 14 = 31.5 ) Which 31.5 + 7.25 = 38.75
Info on counting:
7.25, 9.50, 11.75, 14, 16.25, 18.50, 20.75, 23, 25.25, 27.50, 29.75, 32, 34.25, 36.50, 38.75