Fill in the blanks.
The number of adults is four times the number of children.
The number of girls is 4 times as many as the number of boys.
- Number of girls = _____ u
- Number of adults = _____ u
- Total number of people = _____ u
Adults |
Children |
4x5 |
1x5 |
|
Girls |
Boys |
|
4 |
1 |
20 u |
4 u |
1 u |
(a)
Change X times into units.
The number of girls is 4 times as many as the number of boys.
Number of boys = 1 u
Number of girls
= 4 x 1 u
= 4 u
Number of children
= 1 u + 4 u
= 5 u
(b)
The number of adults is four times the number of children.
Number of adults
= 4 x 5 u
= 20 u
(c)
Total number of people
= 5 u + 20 u
= 25 u
Answer(s): (a) 4; (b) 20; (c) 25