Fill in the blanks.
The number of boys is 2 more than the girls.
The number of adults is five times the number of children.
Let the number of girls be 1 u.
- Number of boys = 1 u + _____
- Number of children = 2 u + _____
- Number of adults = _____ u + 10
- Number of people = _____ u + 12
(a)
Change X times and more than or less than into units.
The number of boys is 2 more than the girls.
Number of girls = 1 u
Number of boys = 1 u + 2
(b)
Number of children
= 1 u + 1 u + 2
= 2 u + 2
(c)
The number of adults is five times the number of children.
Number of adults
= 5 x (2 u + 2)
= 10 u + 10
(d)
Total number of people
= (2 u + 2) + (10 u + 10)
= 2 u + 10 u + 2 + 10
= 12 u + 12
Answer(s): (a) 2; (b) 2; (c) 10; (d) 12