Fill in the blanks.
The number of adults is twice the number of children.
The number of boys is 2 times as many as the number of girls.
- Number of boys = _____ u
- Number of adults = _____ u
- Total number of people = _____ u
Adults |
Children |
2x3 |
1x3 |
|
Boys |
Girls |
|
2 |
1 |
6 u |
2 u |
1 u |
(a)
Change X times into units.
The number of boys is 2 times as many as the number of girls.
Number of girls = 1 u
Number of boys
= 2 x 1 u
= 2 u
Number of children
= 1 u + 2 u
= 3 u
(b)
The number of adults is twice the number of children.
Number of adults
= 2 x 3 u
= 6 u
(c)
Total number of people
= 3 u + 6 u
= 9 u
Answer(s): (a) 2; (b) 6; (c) 9