Two sisters have cell phones with different plans. One day, the two sisters decided to compare their plans to see who had the better deal. Compare the two plans. Which plan would you choose and why? Verbal Description Expression (m is time in minutes) Meghan's plan Meghan pays a $50 fee and 10 cents per minute each month. 50 + .1m Emily's plan Emily pays a $40 fee and 30 cents per minute each month. 40 + .3m 1. Compare the sisters' plans by setting them equal to each other. What is the solution? What does the solution represent? 2. Which sister has the better plan? Explain why it is a better plan.

Two sisters have cell phones with different plans. One day, the two sisters decided to compare their plans to see who had the better deal. Compare the two plans. Which plan would you choose and why? Verbal Description Expression (m is time in minutes) Meghan's plan Meghan pays a $50 fee and 10 cents per minute each month. 50 + .1m Emily's plan Emily pays a $40 fee and 30 cents per minute each month. 40 + .3m 1. Compare the sisters' plans by setting them equal to each other. What is the solution? What does the solution represent? 2. Which sister has the better plan? Explain why it is a better plan.

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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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

Title
Arlal
BIUA
26
川。| 三|三
E E
3
I | T 4 II I 5 I 6 .
Two sisters have cell phones with different plans. One day, the two sisters decided to compare
their plans to see who had the better deal. Compare the two plans. Which plan would you
choose and why?
Verbal Description
Expression (m is time in
minutes)
Meghan's plan
Meghan pays a $50 fee and
10 cents per minute each
month.
50 +.1m
Emily pays a $40 fee and 30
cents per minute each month.
Emily's plan
40 + .3m
1. Compare the sisters' plans by setting them equal to each other.
What is the solution?
What does the solution represent?
2. Which sister has the better plan? Explain why it is a better plan.
RK12
田ㄖ

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