4. The pollution level in the center of a city at 4 am is 22 parts per million and it grows in linear fashion by 19 parts per million every hour. If y is pollution and t is time elapsed after 4 am, a. Determine the equation that relates y with t. b. What is the pollution level at 2:30 pm? 5. Miko charges Php100 for his xbox rental plus additional Php25 every hour. If Ray pays Php206.25, how many hours did he rent the xbox?

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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no need to answer no.1 please answer the remaining number or atlease no.4-5
Activities
This activity will enable you to solve more word problems involving linear functions.
Directions: Solve the following. Show your complete solutions on a separate sheet of paper.
1. You are working as a car dealer that pays you a monthly salary of Php17 000. The company
will also pay you Php3000 in commission for every car you sell.
a.
Determine the function that will illustrate the situation.
b. How many cars must you sell to earn Php32 000?
ter
c.
If you sell 3 cars in June, how much will you earn?
2. Jason opened a savings account with Php550 initial deposit. Each month after he pays his
bills, he will have Php300 left over to make a deposit. 7ode
Write a function for the given problem.
a.
b. How mnany months will it take him to have Php3250 savings?
If Jason withdraw Php 2300 after 2 years of saving, how much will he have left?
C.
3. Ben collected 12 kilograms of plastic bottles to recycle for his school project. He plans to
collect an additional 4 kilograms each week.
a. What is the relation of y (total collected bottles) and x {number of weeks)?
b. How many kilograms of plastic bottles will Ben have after 49 days?
c.
How long will it take him to collect 60 kilograms of plastic bottle?
4. The pollution level in the center of a city at 4 am is 22 parts per million and it grows in linear
fashion by 19 parts per million every hour. If y is pollution and t is time elapsed after 4 am,
a. Determine the equation that relates y with t.
b. What is the pollution level at 2:30 pm?
5. Miko charges Php100 for his xbox rental phus additional Php25 every hour. if Ray pays
Php206.25, how many hours did he rent the xbox?
Transcribed Image Text:Activities This activity will enable you to solve more word problems involving linear functions. Directions: Solve the following. Show your complete solutions on a separate sheet of paper. 1. You are working as a car dealer that pays you a monthly salary of Php17 000. The company will also pay you Php3000 in commission for every car you sell. a. Determine the function that will illustrate the situation. b. How many cars must you sell to earn Php32 000? ter c. If you sell 3 cars in June, how much will you earn? 2. Jason opened a savings account with Php550 initial deposit. Each month after he pays his bills, he will have Php300 left over to make a deposit. 7ode Write a function for the given problem. a. b. How mnany months will it take him to have Php3250 savings? If Jason withdraw Php 2300 after 2 years of saving, how much will he have left? C. 3. Ben collected 12 kilograms of plastic bottles to recycle for his school project. He plans to collect an additional 4 kilograms each week. a. What is the relation of y (total collected bottles) and x {number of weeks)? b. How many kilograms of plastic bottles will Ben have after 49 days? c. How long will it take him to collect 60 kilograms of plastic bottle? 4. The pollution level in the center of a city at 4 am is 22 parts per million and it grows in linear fashion by 19 parts per million every hour. If y is pollution and t is time elapsed after 4 am, a. Determine the equation that relates y with t. b. What is the pollution level at 2:30 pm? 5. Miko charges Php100 for his xbox rental phus additional Php25 every hour. if Ray pays Php206.25, how many hours did he rent the xbox?
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