Fill in the blanks.
The number of children is 0.4 times as many as the number of adults.
- Number of children = _____ u
- Number of adults = _____ u
- Total number of people = _____ u
- Difference between the number of adults and children = _____ u
(a)
Change decimal into units.
The number of children is 0.4 times as many as the number of adults.
0.4 =
410 =
25 The number of children is
25 the number of adults.
Number of children = 2 u
(b)
Number of adults = 5 u
(c)
Total number of people
= 2 u + 5 u
= 7 u
(d)
Difference in the number of adults and children
= 5 u - 2 u
= 3 u
Answer(s): (a) 2; (b) 5; (c) 7; (d) 3