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