25
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Question 25 • 2026-27 Mathematical Models with Applications

Solve the problem.Bill bought a new cellular phone. His monthly bill will be $32.99 each month which includes 100 minutes of use. Additional minutes will cost $0.19 per minute. Write a linear model that represents the amount of the bill, C, based on the total number of minutes, m, the phone is used in a month. Assume m 100 minutes.

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Answer
A
C = 0.19m + 32.99
B
C = 32.99(m - 100) + 0.19
C
C = 0.19m
D
C = 0.19(m - 100) + 32.99
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