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Lesson 8

Multiple Choice
For questions 1-5 calculate the percentage increase or decrease.
 

 1. 

What is the percentage increase from $5 to $7.50?
a.
25%
c.
250%
b.
100%
d.
50%
 

 2. 

What is the percentage decrease from $20 to $15?
a.
25%
c.
250%
b.
100%
d.
50%
 

 3. 

What is the percentage increase from $40 to $60?
a.
25%
c.
250%
b.
100%
d.
50%
 

 4. 

What is the percentage decrease from $500 to $400?
a.
25%
c.
20%
b.
100%
d.
50%
 

 5. 

What is the percentage increase from $25 to $35?
a.
25%
c.
20%
b.
40%
d.
50%
 

 6. 

If the price of a jar of honey is reduced from $40 to $30, by what percent is the price reduced?
a.
25%
c.
20%
b.
40%
d.
50%
 

 7. 

The Regal Corporation laid off 30% of its 10,000 employees last month. How many employees were not laid off?
a.
70%
c.
8000
b.
3000
d.
7000
 

 8. 

A certain credit card company charges lesson8_files/i0090000.jpg% interest on the unpaid balance. If Marcia has an unpaid balance of $200, how much interest will she be charged for one month?
a.
$7.00
c.
$8.00
b.
$30.00
d.
$70.00
 

 9. 

Carmen bought $800 worth of stocks on Monday. On Friday, she sold her stocks for $600. Excluding commissions, what percent does her loss represent of her original investment?
a.
75%
c.
50%
b.
25%
d.
200%
 

 10. 

Ana started the day with $150 in her pocketbook. She spent 7% of it to buy breakfast, 13% to buy lunch, and 15% to buy dinner. If she didn’t spend any other money that day, how much money did she have left at the end of the day?
a.
$52.50
c.
$80.00
b.
$30.00
d.
$97.50
 

 11. 

Meg died and left $40,000 to her 3 children, Juan, George, and Kay in the ratio of 13:6:1, respectively. How much is George’s share?
a.
$240,000.00
c.
$12,000.00
b.
$2,000.00
d.
$26,000.00
 
 
CAR AND TRUCK SALES
 
Arnie
Bob
Caleb
Debbie
Ed
Week 1
7
5
0
8
7
Week 2
4
4
9
5
4
Week 3
6
8
8
8
6
Week 4
5
9
7
6
8
Table 1

Use the table above to calculate the answers to questions 12-15
 

 12. 

The monthly sales award is given to the sales associate with the highest weekly average for the month. Who won the award in the month shown in table 1 above?
a.
Ed
c.
Arnie
b.
Debbie
d.
Caleb
 

 13. 

What was the average weekly sales figure for these sales associates in the month shown in table 1 above?
a.
26
c.
31
b.
25
d.
27
 

 14. 

What was the most likely weekly sales figure (mode) for these sales associates in the month shown in table 1 above?
a.
8
c.
7
b.
6
d.
9
 

 15. 

Which sales associate made the median number of sales for the month shown in table 1 above?
a.
Bob
c.
Debbie
b.
Arnie
d.
Ed
 

 16. 

There were 28 people at a board meeting. If the ratio of men to women was 4:3, how many men were at the meeting?
a.
16
c.
14
b.
12
d.
15
 

 17. 

At a certain corporation. the ratio of clerical workers to executives is 7 to 2. If a total of 81 people work for that corporation, how many are executives?
a.
18
c.
14
b.
63
d.
49
 

 18. 

In 2003 there were 720 crimes committed in the 7th precinct. These crimes involved theft, rape, and drugs in the ratio of 4:2:3. How many crimes involved theft?
a.
160
c.
400
b.
240
d.
320
 

 19. 

Jerry’s pulse rate is 17 beats every 15 seconds. What is his rate in beats per minute?
a.
60
c.
34
b.
68
d.
30
 

 20. 

Meg died and left $80,000 to her 3 children, Juan, George, and Kay in the ratio of 13:6:1, respectively. How much is George’s share?
a.
$65,000.00
c.
$52,000.00
b.
$24,000.00
d.
$4,000.00
 



 
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