| 1. |
Write the following percentages as fractions in their simplest form: |
| 1.1 |
| 30% |
1.2 45% |
1.3 82% |
1.4 3% |
1.5 14% |
1.6 230 |
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| 2. |
Write the following decimal fractions as percentages: |
| 2.1 |
| 0,2 |
2.2 0,35 |
2.3 0,85 |
2.4 0,345 |
2.5 0,075 |
2.6 3,06 |
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| 3. |
Calculate |
| 3.1 |
36% of 3,26 m
3.2
45% of 215 marks |
| 3.3 |
14% of R288,34
3.4
75% of 320 450 liters |
| 3.5 |
11% of R805 912
3.6 8% of 320 people |
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| 4. |
Write the first number as a percentage of the second number: |
| 4.1 |
18 ; 50
4.2 314 ; 862
4.3 0,026 ; 1,197
4.4 21,47 ; 78,04 |
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| 5. |
Peter scored the following marks in tests and tasks: |
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Subject
Mathematical Literacy
English
History Accounting |
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Mark
26
42
21
18 |
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Maximum
40
60
70
45 |
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|
| 5.1 |
Convert each mark to a percentage. |
| 5.2 |
What was his highest mark? |
| 5.3 |
Did he fail any subject, if he has to obtain 40% to pass?
Write down the name(s) and |
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percentage(s) of the failed subject(s). |
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|
| 6. |
An agent receives a commission on his sales. Calculate the
value of the letters in the table: |
| |
| number |
6.1 |
6.2 |
6.3 |
6.4 |
6.5 |
|
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| Amount |
450 |
320 |
c |
450 650 |
965 720 |
|
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| % commission |
12 |
b |
42 |
3,5 |
e |
|
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| commission |
a |
89,60 |
5061 |
d |
73 394,72 |
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| 7. |
The numbers in the table concern the percentage change
that the "old" number undergoes |
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to form the "new" number. Calculate the value of
each letter. |
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| Number |
7.1 |
7.2 |
7.3 |
7.4 |
7.5 |
|
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| "Old" number |
48 |
186 |
c |
21,45 |
67 |
|
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| "New" number |
62 |
b |
286 |
d |
54 |
|
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| % change |
a |
145,16 |
16,73 |
30,72 |
e |
|
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|
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| Number |
7.6 |
7.7 |
7.8 |
7.9 |
7.10 |
|
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| "Old" number |
245 |
g |
67,85 |
987,056 |
87,61 |
|
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| "New" number |
f |
1198 |
66,04 |
m |
77,94 |
|
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| % change |
-2,86 |
-0,58 |
h |
1,21 |
n |
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