Fill in the blanks.
The number of women is 9 more than the men.
The number of children is eight times the number of adults.
Let the number of men be 1 u.
- Number of women = 1 u + _____
- Number of adults = 2 u + _____
- Number of children = _____ u + 72
- Number of people = _____ u + 81
(a)
Change X times and more than or less than into units.
The number of women is 9 more than the men.
Number of men = 1 u
Number of women = 1 u + 9
(b)
Number of adults
= 1 u + 1 u + 9
= 2 u + 9
(c)
The number of children is eight times the number of adults.
Number of children
= 8 x (2 u + 9)
= 16 u + 72
(d)
Total number of people
= (2 u + 9) + (16 u + 72)
= 2 u + 16 u + 9 + 72
= 18 u + 81
Answer(s): (a) 9; (b) 9; (c) 16; (d) 18