In a school, there is a total of 380 people.
10% are children.
The rest are adults.
The number of women and men is in the ratio of 1 : 8.
- What percentage of the people are women?
- How many men are there?
Children |
Adults |
Total |
1 u |
9 u |
10 u |
|
Women |
Men |
|
1 u |
1 u |
8 u |
10 u |
(a)
10% =
10100 =
110 The number of adults is the combined repeated identity.
Children : Adults
1 : 10 - 1
1 : 9
Percentage of the people that are women
=
110 x 100%
= 10%
(b)
Total number of people = 10 u
10 u = 380
1 u = 380 ÷ 10 = 38
Number of men
= 8 u
= 8 x 38
= 304
Answer(s): (a) 10%; (b) 304