Fill in the blanks.
The ratio of children to adults is 9 : 8.
The ratio of women to men is 1 : 5.
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 |
9x3 = 27 u |
8x3 = 24 u |
|
Women |
Men |
6 |
1x4 |
5x4 |
27 u |
4 u |
20 u |
(a)
Change ratio into units.
Women : Men : Children
1 : 5 : 1 + 5
1 : 5 : 6
The number of adults is the repeated identity.
LCM of 8 and 6 is 24.
Number of children = 27 u
(b)
Number of women = 4 u
(c)
Difference in the number of men and women
= 20 u - 4 u
= 16 u
(d)
Total number of people
= 27 u + 24 u
= 51 u
Answer(s): (a) 27; (b) 4; (c) 16; (d) 51