Answer:
Marisa earned $3.15 a day.
Explanation:
To find this, first we must identify our info. We know that the total for the 5 days of walking a dog was $15.75. So, to find out how much money she earned each day, simply divide $15.75 by 5.
You will get $3.15. That means that Marisa earned $3.15 a day for walking the dog.