Lesson 1

In Share 3 you may have come to the conclusion that 0.04 is equal to 4%. This represents the rate of commission. Commission is when you receive a percentage of the amount of sales you make. In some cases, like in Try This 4, employees are paid a base salary plus a commission.

In Kole’s case at the Wetaskiwin Auto Mile, he makes 4% commission on his total sales for the pay period. Notice that Kole will still earn $1200, his base salary, even if he has no sales.

Share 4

With a partner or in a group, discuss the following questions.

1. Under what conditions might sales be 0?
2. Why might it be beneficial to have a job that pays using a base salary plus commission rather than just commission?

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Try This 5

1. Complete a table like the one shown.
   
   

   Side Length (cm) of One Edge of a Cube	Perimeter (cm) of One Face of a Cube	Area (cm2) of One Face of a Cube	Volume (cm3) of a Cube
   1	4	1	1
   2	8	4	8
   3	12	9	27
   4
   5
   6

2. 
   iStockphoto/Thinkstock
   Use the table to graph the following relations:
   1. perimeter versus side length
   2. area versus side length
   3. volume versus side length

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Share 5

With a partner or in a group, discuss the following questions:

1. Which of the graphs from Try This 5 question 2 were linear?
2. Which of the graphs from Try This 5 question 2 were not linear?

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