Direction: Solve the problem below by using a graph. Follow the steps presented in this module. A pay phone service charges Php5 for the first three minutes and Php1 for every minute additional or a fraction thereof. How much will a caller have to pay if his call lasts for 8 minutes? If he has Php20, how long could he use the phone?

Direction: Solve the problem below by using a graph. Follow the steps presented in this module. A pay phone service charges Php5 for the first three minutes and Php1 for every minute additional or a fraction thereof. How much will a caller have to pay if his call lasts for 8 minutes? If he has Php20, how long could he use the phone?

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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Question

Activity 2
Direction: Solve the problem below by using a graph. Follow the steps presented in
this module.
A pay phone service charges Php5 for the first three minutes and Php1 for
every minute additional or a fraction thereof. How much will a caller have to pay if
his call lasts for 8 minutes? If he has Php20, how long could he use the phone?

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