Fill in the blanks.
The number of men is 9 more than the women.
The number of children is twice the number of adults.
Let the number of women be 1 u.
- Number of men = 1 u + _____
- Number of adults = 2 u + _____
- Number of children = _____ u + 18
- Number of people = _____ u + 27
(a)
Change X times and more than or less than into units.
The number of men is 9 more than the women.
Number of women = 1 u
Number of men = 1 u + 9
(b)
Number of adults
= 1 u + 1 u + 9
= 2 u + 9
(c)
The number of children is twice the number of adults.
Number of children
= 2 x (2 u + 9)
= 4 u + 18
(d)
Total number of people
= (2 u + 9) + (4 u + 18)
= 2 u + 4 u + 9 + 18
= 6 u + 27
Answer(s): (a) 9; (b) 9; (c) 4; (d) 6