REASONING In some cases the answers you will get won't make physical sense or need a bit of interpreting. Look at the next -xample and be careful when you interpret your final solution. Tanisha and Rebecca are signing up for new cellphone plans that only charge for the number of minutes and everything else is included in a monthly fee. Their plans are as follows: Tanisha's plan: $0.15 per minute used talking and a $25 monthly fee. Rebecca's Plan: $0.10 per minute used talking and a $18.50 monthly fee. (a) Figure out after how many minutes the two plans will charge the same amount? ) Interpret your answer. It may help to read their two plans again and think about which one you would rather pay.
REASONING In some cases the answers you will get won't make physical sense or need a bit of interpreting. Look at the next -xample and be careful when you interpret your final solution. Tanisha and Rebecca are signing up for new cellphone plans that only charge for the number of minutes and everything else is included in a monthly fee. Their plans are as follows: Tanisha's plan: $0.15 per minute used talking and a $25 monthly fee. Rebecca's Plan: $0.10 per minute used talking and a $18.50 monthly fee. (a) Figure out after how many minutes the two plans will charge the same amount? ) Interpret your answer. It may help to read their two plans again and think about which one you would rather pay.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:REASONING
In some cases the answers you will get won't make physical sense or need a bit of interpreting. Look at the next
example and be careful when you interpret your final solution.
4. Tanisha and Rebecca are signing up for new cellphone plans that only charge for the number of minutes and
everything else is included in a monthly fee. Their plans are as follows:
Tanisha's plan: $0.15 per minute used talking and a $25 monthly fee.
Rebecca's Plan: $0.10 per minute used talking and a $18.50 monthly fee.
(a) Figure out after how many minutes the two plans will charge the same amount?
(b) Interpret your answer. It may help to read their two plans again and think about which one you would
rather pay.
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