Question

Brandon owes his brother $100. He will repay his brother $5 each week. Which expression gives the amount in dollars Brandon will still owe his brother after n weeks?

5−100n


100−5n


5n−100


100n−5

Answer 1

100-5n

Explanation:

For example:

Week 1: 100-5(1)= $95 left

Week 2: 100-5(2)= $90 left

Week 3: 100-5(2) $85 left