Fill in the blanks.
The ratio of children to adults is 8 : 11.
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 |
8x19 = 152 u |
11x19 = 209 u |
|
Men |
Women |
19 |
8x11 |
11x11 |
152 u |
88 u |
121 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 11 and 19 is 209.
Number of children = 152 u
(b)
Number of men = 88 u
(c)
Difference in the number of women and men
= 121 u - 88 u
= 33 u
(d)
Total number of people
= 152 u + 209 u
= 361 u
Answer(s): (a) 152; (b) 88; (c) 33; (d) 361