The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 33 minutes of calls is $18.71 and the monthly cost for 61 minutes is $22.07. What is the monthly cost for 36 minutes of calls?
The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). The monthly cost for 33 minutes of calls is $18.71 and the monthly cost for 61 minutes is $22.07. What is the monthly cost for 36 minutes of calls?
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.CT: Test
Problem 19CT
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The monthly cost (in dollars) of a long-distance phone plan is a linear
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