Fill in the blanks.
Each boy has 2 stickers.
Each girl has 5 stickers.
The ratio of the number of boys to the number of girls is 1 : 2.
- Difference in the number of girls and boys = _____ u
- Total number of boys and girls = _____ u
- Difference in the number of stickers that the boys and the girls have = _____ u
- Total number of stickers that the boys and girls have = _____ u
|
Boys |
Girls |
Number of children |
1 u |
2 u |
Number of stickers for each child |
2 |
5 |
Total number of stickers |
1 u x 2 = 2 u |
2 u x 5 = 10 u |
(a)
Change ratio into units.
Number of boys = 1 u
Number of girls = 2 u
Difference between the number of girls and boys
= 2 u - 1 u
= 1 u
(b)
Total number of boys and girls
= 1 u + 2 u
= 3 u
(c)
Total number of stickers that the boys have
= 1 u x 2
= 2 u
Total number of stickers that the girls have
= 2 u x 5
= 10 u
Difference in the number of stickers that the boys and the girls have
= 10 u - 2 u
= 8 u
(d)
Total number of stickers that the boys and girls
= 2 u + 10 u
= 12 u
Answer(s): (a) 1; (b) 3; (c) 8; (d) 12