Fill in the blanks.
The ratio of children to adults is 5 : 4.
The ratio of men to women is 8 : 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 |
5x19 = 95 u |
4x19 = 76 u |
|
Men |
Women |
19 |
8x4 |
11x4 |
95 u |
32 u |
44 u |
(a)
Change ratio into units.
Men : Women : Children
8 : 11 : 8 + 11
8 : 11 : 19
The number of adults is the repeated identity.
LCM of 4 and 19 is 76.
Number of children = 95 u
(b)
Number of men = 32 u
(c)
Difference in the number of women and men
= 44 u - 32 u
= 12 u
(d)
Total number of people
= 95 u + 76 u
= 171 u
Answer(s): (a) 95; (b) 32; (c) 12; (d) 171