Answer: $1.25 is the amount Peter has after paying for the service.
Step-by-step explanation:
The amount of money he will pay for the 5/6 month = (5/6)*$10.5= 0.83333*$10.5
= $8.75
So the difference of initial cash and paid service is going to be the change.
Change = $10.5-$8.75
=$ 1.25.
Hope this answer was helpful.