Fill in the blanks.
The ratio of children to adults is 1 : 1.
The ratio of men to women is 1 : 11.
Use LCM and find the following.
- Number of children = _____ u
- Number of men = _____ u
- Difference in the number of women and men = _____ u
- Total number of people = _____ u
Children |
Adults |
1x12 = 12 u |
1x12 = 12 u |
|
Men |
Women |
12 |
1x1 |
11x1 |
12 u |
1 u |
11 u |
(a)
Change ratio into units.
Men : Women : Children
1 : 11 : 1 + 11
1 : 11 : 12
The number of adults is the repeated identity.
LCM of 1 and 12 is 12.
Number of children = 12 u
(b)
Number of men = 1 u
(c)
Difference in the number of women and men
= 11 u - 1 u
= 10 u
(d)
Total number of people
= 12 u + 12 u
= 24 u
Answer(s): (a) 12; (b) 1; (c) 10; (d) 24