Question 2 2a) There are 100 students in a hostel. Food provision for them is for 20 days. How long will these provisions last, if 25 more students join the group? Analyze and comment on the result. 2b) A boy has to cover 4km to catch a bus. He walks part of the distance at 3km/h and runs the rest at 5km/h. If he takes 1 hour to complete the distance, how many kilometers, does he walk? 2c) A survey shows that there is a linear function between population of a country and time. In the year 1980, population was 84 people and in the year 1990, population was 93 people. Deduce the linear function and calculate the population which the country would have in the year 2000 2d) A father and a son working together can do a piece of job in 5 days. If the father alone can do the job in 6 days. How long will it take the son to do this job?
Question 2 2a) There are 100 students in a hostel. Food provision for them is for 20 days. How long will these provisions last, if 25 more students join the group? Analyze and comment on the result. 2b) A boy has to cover 4km to catch a bus. He walks part of the distance at 3km/h and runs the rest at 5km/h. If he takes 1 hour to complete the distance, how many kilometers, does he walk? 2c) A survey shows that there is a linear function between population of a country and time. In the year 1980, population was 84 people and in the year 1990, population was 93 people. Deduce the linear function and calculate the population which the country would have in the year 2000 2d) A father and a son working together can do a piece of job in 5 days. If the father alone can do the job in 6 days. How long will it take the son to do this job?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter3: Solving Equation And Problems
Section3.7: Costs, Income, And Value Problems
Problem 15P
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Transcribed Image Text:Question 2
2a) There are 100 students in a hostel. Food provision for them is for 20 days. How long will
these provisions last, if 25 more students join the group? Analyze and comment on the result.
2b) A boy has to cover 4km to catch a bus. He walks part of the distance at 3km/h and runs the
rest at 5km/h. If he takes 1 hour to complete the distance, how many kilometers, does he walk?
2c) A survey shows that there is a linear function between population of a country and time. In
the year 1980, population was 84 people and in the year 1990, population was 93 people.
Deduce the linear function and calculate the population which the country would have in the year
2000
2d) A father and a son working together can do a piece of job in 5 days.
If the father alone can do the job in 6 days. How long will it take the son to do this job?
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