Fill in the blanks.
The number of men is 7 more than the women.
The number of children is thrice 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 + 21
- Number of people = _____ u + 28
(a)
Change X times and more than or less than into units.
The number of men is 7 more than the women.
Number of women = 1 u
Number of men = 1 u + 7
(b)
Number of adults
= 1 u + 1 u + 7
= 2 u + 7
(c)
The number of children is thrice the number of adults.
Number of children
= 3 x (2 u + 7)
= 6 u + 21
(d)
Total number of people
= (2 u + 7) + (6 u + 21)
= 2 u + 6 u + 7 + 21
= 8 u + 28
Answer(s): (a) 7; (b) 7; (c) 6; (d) 8