business concept

PART ONE Mathematics Fundamentals and Business Applications
Chapter 1 Review of Arithmetic
Exercise 1.1
A. 1.
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11. 12.
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Exercise 1.2
A. 1. also
2. also
3. also
4. also
5. also
6. also
7. also
8. also
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B. 1.
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C. 1.
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D. 1.
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E. 1.
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Exercise 1.3
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B. 1.
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C. 1.
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Exercise 1.4
A. 1.
2. Total hours Total cost of labour
3.

4.
5.
6.
B. 1. 2. (a) (b) (c)
3.
4. Weighted investment: 5. (a) Simple average of unit prices (b)
Date
Amount Invested
Unit Price
Number of Units Purchased
February 1
200.00
10.00

March 1
200.00
10.60

April 1
200.00
11.25

May 1
200.00
9.50

June 1
200.00
9.20

July 1
200.00
12.15

Total number of units purchased

(c) (d)
Exercise 1.5
A. 1. (a) (b) (c)
2. (a) (b) (c)
3. (a) (b)
4. (a) (b)
5. (a) (b)
6.
7.
8.

9. (a) (b)
10. (a) Commission at 6.5% on sales of $5830 = 0.065 × $5830 = $378.95. This is less than $400 guarantee, therefore weekly salary (b) Commission at 6.5% on sales of This exceeds $400 guarantee, therefore weekly salary =
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15. Method A