Fill in the blanks.
The number of children is twice the number of adults.
The number of men is 9 times as many as the number of women.
- Number of men = _____ u
- Number of children = _____ u
- Total number of people = _____ u
Children |
Adults |
2x10 |
1x10 |
|
Men |
Women |
|
9 |
1 |
20 u |
9 u |
1 u |
(a)
Change X times into units.
The number of men is 9 times as many as the number of women.
Number of women = 1 u
Number of men
= 9 x 1 u
= 9 u
Number of adults
= 1 u + 9 u
= 10 u
(b)
The number of children is twice the number of adults.
Number of children
= 2 x 10 u
= 20 u
(c)
Total number of people
= 10 u + 20 u
= 30 u
Answer(s): (a) 9; (b) 20; (c) 30