In a school, there is a total of 100 people.
25% are children.
The rest are adults.
The number of men and women is in the ratio of 1 : 2.
- What percentage of the people are men?
- How many women are there?
Children |
Adults |
Total |
1 u |
3 u |
4 u |
|
Men |
Women |
|
1 u |
1 u |
2 u |
4 u |
(a)
25% =
25100 =
14 The number of adults is the combined repeated identity.
Children : Adults
1 : 4 - 1
1 : 3
Percentage of the people that are men
=
14 x 100%
= 25%
(b)
Total number of people = 4 u
4 u = 100
1 u = 100 ÷ 4 = 25
Number of women
= 2 u
= 2 x 25
= 50
Answer(s): (a) 25%; (b) 50