
Concept explainers
a.
To write an equation.
a.

Answer to Problem 21PPS
The equation is related as
Explanation of Solution
Given information:
12 students were able to distribute 1000 flyers in four hours.
Write an equation that relates the number of students ‘s’ to the amount of time ‘t’ it take to distribute 1000 flyers.
Calculation:
The can be obtained as
When more students help, less time to needed to distribute 1000 flyers
Since, students varies inversely as time
Therefore,
Put the values of
Hence,
The equation is related as
b.
To find out the time when 15 students to hand out the same number of flyers this year.
b.

Answer to Problem 21PPS
The value of
Explanation of Solution
Given information:
How long would it take 15 students to hand out the same number of flyers this year
Calculation:
The time can be obtained as when 15 students to hand out the same number of flyers this year.
Since we find out
Put
Therefore
Hence,
The value of
Chapter 9 Solutions
Algebra 2
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