Fill in the blanks.
The ratio of children to adults is 3 : 2.
The ratio of women to men is 1 : 2.
Use LCM and find the following.
- Number of children = _____ u
- Number of women = _____ u
- Difference in the number of men and women = _____ u
- Total number of people = _____ u
Children |
Adults |
3x3 = 9 u |
2x3 = 6 u |
|
Women |
Men |
3 |
1x2 |
2x2 |
9 u |
2 u |
4 u |
(a)
Change ratio into units.
Women : Men : Children
1 : 2 : 1 + 2
1 : 2 : 3
The number of adults is the repeated identity.
LCM of 2 and 3 is 6.
Number of children = 9 u
(b)
Number of women = 2 u
(c)
Difference in the number of men and women
= 4 u - 2 u
= 2 u
(d)
Total number of people
= 9 u + 6 u
= 15 u
Answer(s): (a) 9; (b) 2; (c) 2; (d) 15