Fill in the blanks.
The ratio of children to adults is 6 : 5.
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 |
6x19 = 114 u |
5x19 = 95 u |
|
Men |
Women |
19 |
8x5 |
11x5 |
114 u |
40 u |
55 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 5 and 19 is 95.
Number of children = 114 u
(b)
Number of men = 40 u
(c)
Difference in the number of women and men
= 55 u - 40 u
= 15 u
(d)
Total number of people
= 114 u + 95 u
= 209 u
Answer(s): (a) 114; (b) 40; (c) 15; (d) 209