Fill in the blanks.
The ratio of children to adults is 2 : 11.
The ratio of men to women is 3 : 5.
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 |
2x8 = 16 u |
11x8 = 88 u |
|
Men |
Women |
8 |
3x11 |
5x11 |
16 u |
33 u |
55 u |
(a)
Change ratio into units.
Men : Women : Children
3 : 5 : 3 + 5
3 : 5 : 8
The number of adults is the repeated identity.
LCM of 11 and 8 is 88.
Number of children = 16 u
(b)
Number of men = 33 u
(c)
Difference in the number of women and men
= 55 u - 33 u
= 22 u
(d)
Total number of people
= 16 u + 88 u
= 104 u
Answer(s): (a) 16; (b) 33; (c) 22; (d) 104