Fill in the blanks.
The ratio of children to adults is 5 : 8.
The ratio of women to men is 2 : 11.
Use LCM and find the following.
- Number of children = _____ u
- Number of women = _____ u
- Difference in the number of men and women = _____ u
- Total number of people = _____ u
Children |
Adults |
5x13 = 65 u |
8x13 = 104 u |
|
Women |
Men |
13 |
2x8 |
11x8 |
65 u |
16 u |
88 u |
(a)
Change ratio into units.
Women : Men : Children
2 : 11 : 2 + 11
2 : 11 : 13
The number of adults is the repeated identity.
LCM of 8 and 13 is 104.
Number of children = 65 u
(b)
Number of women = 16 u
(c)
Difference in the number of men and women
= 88 u - 16 u
= 72 u
(d)
Total number of people
= 65 u + 104 u
= 169 u
Answer(s): (a) 65; (b) 16; (c) 72; (d) 169