Fill in the blanks.
The ratio of children to adults is 8 : 5.
The ratio of men to women is 2 : 3.
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 |
8x1 = 8 u |
5x1 = 5 u |
|
Men |
Women |
5 |
2x1 |
3x1 |
8 u |
2 u |
3 u |
(a)
Change ratio into units.
Men : Women : Children
2 : 3 : 2 + 3
2 : 3 : 5
The number of adults is the repeated identity.
LCM of 5 and 5 is 5.
Number of children = 8 u
(b)
Number of men = 2 u
(c)
Difference in the number of women and men
= 3 u - 2 u
= 1 u
(d)
Total number of people
= 8 u + 5 u
= 13 u
Answer(s): (a) 8; (b) 2; (c) 1; (d) 13