Question

The table of values below represents a linear function and shows the amount of money in Juanita’s savings account since she began her part-time job. What is her monthly rate of savings?

Amount in Juanita’s Savings Account
Number of Months Working at Part-Time Job
0
2
4
6
8
Amount in Savings Account (in dollars)
$36
$60
$84
$108
$132
$12 per month
$18 per month
$24 per month
$36 per month

Answer 1

Calculate the rate (slope): (60 − 36) ÷ (2 − 0) = 24 ÷ 2 = 12.
So she saves $12 per month.