Fill in the blanks.
The ratio of children to adults is 7 : 6.
The ratio of women to men is 4 : 11.
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 |
7x5 = 35 u |
6x5 = 30 u |
|
Women |
Men |
15 |
4x2 |
11x2 |
35 u |
8 u |
22 u |
(a)
Change ratio into units.
Women : Men : Children
4 : 11 : 4 + 11
4 : 11 : 15
The number of adults is the repeated identity.
LCM of 6 and 15 is 30.
Number of children = 35 u
(b)
Number of women = 8 u
(c)
Difference in the number of men and women
= 22 u - 8 u
= 14 u
(d)
Total number of people
= 35 u + 30 u
= 65 u
Answer(s): (a) 35; (b) 8; (c) 14; (d) 65