AnswersWCPSS-Introductory Math CRApplying Linear Functions — Unit testQuestion 12
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Applying Linear Functions — Unit test

Question 12 • WCPSS-Introductory Math CR

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 AccountNumber of Months Working at Part-Time Job02468Amount in Savings Account (in dollars)$36$60$84$108$132

Answer
A
$12 per month
B
$18 per month
C
$24 per month
D
$36 per month

Explanation

The savings increase by $24 over every 2 months: for example, from $36 at 0 months to $60 at 2 months. Divide $24 by 2 to find the monthly savings rate: $12 per month. Therefore, the correct choice is A, $12 per month.

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