In a school, there is a total of 240 people.
40% are children.
The rest are adults.
The number of men and women is in the ratio of 2 : 1.
- What percentage of the people are men?
- How many women are there?
Children |
Adults |
Total |
2 u |
3 u |
5 u |
|
Men |
Women |
|
2 u |
2 u |
1 u |
5 u |
(a)
40% =
40100 =
25 The number of adults is the combined repeated identity.
Children : Adults
2 : 5 - 2
2 : 3
Percentage of the people that are men
=
25 x 100%
= 40%
(b)
Total number of people = 5 u
5 u = 240
1 u = 240 ÷ 5 = 48
Number of women
= 1 u
= 1 x 48
= 48
Answer(s): (a) 40%; (b) 48