Answer:
Step-by-step explanation:
Per 5 days: Because he has 5 days, we can do $4×5 days which gets us $20 savings in total. Then we subtract the $20 savings from $75 and that gets us to $55 for 5 days in total.
Per day: If we want to calculate per day, we do $55÷5 days = $11 per day.