Question

Prahlad has a gift card with an initial balance of $180.50. He goes to the
movies each week and spends the same amount each time using the gift
card. After 8 weeks he has $60.50 remaining on the gift card.
What is the rate of change?

Answer 1

He spend 15$ per day, 180.50-60.50=120(amount of over all money spend) 120\8 is 15 so..