Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for each minute of calling time. In June she used 310 minutes and the cost was $69.00. In July she used 740 minutes and the cost was $112.00. A) Express the monthly cost C as a function of x, the number of minutes of calling time she used. Answer: Preview B) If Jane used 768 minutes of calling time in August, how much was her bill? Answer: $

Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for each minute of calling time. In June she used 310 minutes and the cost was $69.00. In July she used 740 minutes and the cost was $112.00. A) Express the monthly cost C as a function of x, the number of minutes of calling time she used. Answer: Preview B) If Jane used 768 minutes of calling time in August, how much was her bill? Answer: $

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter5: Systems Of Linear Equations

Section5.3: Solve Systems Of Equations By Elimination

Problem 5.66TI: To get her daily intake of fruit for the day, Sasha eats a banana and 8 strawberries on Wednesday...

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