Your cell phone plan charges a base charge each month plus a charge per daytime minute of usage. In December, you used 511 daytime minutes, and your bill was $95.49. In January, you only used 392 daytime minutes, and your bill was $78.83. In February, your bill was $81.63. How many daytime minutes did you use in February? You used minutes in February.

Your cell phone plan charges a base charge each month plus a charge per daytime minute of usage. In December, you used 511 daytime minutes, and your bill was $95.49. In January, you only used 392 daytime minutes, and your bill was $78.83. In February, your bill was $81.63. How many daytime minutes did you use in February? You used minutes in February.

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter3: Math Models

Section3.2: Solve Percent Applications

Problem 3.32TI: One serving of rice cereal has 190 mg of sodium, which is 8% of the recommended daily amount. What...

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