Fill in the blanks.
The number of adults is twice the number of children.
The number of girls is 8 times as many as the number of boys.
- Number of girls = _____ u
- Number of adults = _____ u
- Total number of people = _____ u
Adults |
Children |
2x9 |
1x9 |
|
Girls |
Boys |
|
8 |
1 |
18 u |
8 u |
1 u |
(a)
Change X times into units.
The number of girls is 8 times as many as the number of boys.
Number of boys = 1 u
Number of girls
= 8 x 1 u
= 8 u
Number of children
= 1 u + 8 u
= 9 u
(b)
The number of adults is twice the number of children.
Number of adults
= 2 x 9 u
= 18 u
(c)
Total number of people
= 9 u + 18 u
= 27 u
Answer(s): (a) 8; (b) 18; (c) 27