Fill in the blanks.
The ratio of children to adults is 1 : 11.
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 |
1x6 = 6 u |
11x6 = 66 u |
|
Women |
Men |
6 |
1x11 |
5x11 |
6 u |
11 u |
55 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 11 and 6 is 66.
Number of children = 6 u
(b)
Number of women = 11 u
(c)
Difference in the number of men and women
= 55 u - 11 u
= 44 u
(d)
Total number of people
= 6 u + 66 u
= 72 u
Answer(s): (a) 6; (b) 11; (c) 44; (d) 72