1. There are 40 pupils in a class. 75% of them are present. How many pupils are present? How many are absent?
Solution:
40 x 0.75 = 30 pupils (present)
100% - 75% = 25% = 0.25 (percentage of absentees)
40 x 0.25 = 10 pupils (absent)
Answer:
There are 30 pupils that are present and 10 pupils that are absent
To check:
100 % = 40
30 ÷ 40 = 0.75 x 100 = 75%
10 ÷ 40 = 0.25 x 100 = 25%
2. In a Grade 6 class of 40 pupils, 36 pupils attended the Math Club meeting. What percent of the class attended the meeting?
Solution:
36 ÷ 40 = 0.9
0.9 x 100 = 90%
Answer:
90% of the class attended the meeting
To check:
100% = 40
0.90 x 40 = 36 pupils
3. Out of 50 pupils, only 48 joined the online Math class today. What percent of the pupils joined the class?
Solution:
48 ÷ 50 = 0.96
0.96 x 100 = 96%
Answer:
96% of the pupils joined the class
To check:
100% = 50
0.96 x 50 = 48 pupils
4. In a Grade 6 class, 6 pupils received an A on their Quarterly Math test. This is 20% of the number of pupils in her class. How many pupils are there in the class?
Solution:
6 ÷ 0.20 = 30
Answer:
There are 30 pupils in there class
To check:
20% = 6
30 x 0.2 = 6 pupils
5. Andrea has P20 in his pocket which is only 5% of the money her sister has. How much money does her sister have?
Solution:
100 ÷ 5 = 20
20 x 20 = 400
Answer:
Her sister have P400
To check:
5% = 20
400 x 0.05 = P20
