Fill in the blanks.
Each boy has 3 stickers.
Each girl has 4 stickers.
The ratio of the number of boys to the number of girls is 2 : 5.
- 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 |
2 u |
5 u |
Number of stickers for each child |
3 |
4 |
Total number of stickers |
2 u x 3 = 6 u |
5 u x 4 = 20 u |
(a)
Change ratio into units.
Number of boys = 2 u
Number of girls = 5 u
Difference between the number of girls and boys
= 5 u - 2 u
= 3 u
(b)
Total number of boys and girls
= 2 u + 5 u
= 7 u
(c)
Total number of stickers that the boys have
= 2 u x 3
= 6 u
Total number of stickers that the girls have
= 5 u x 4
= 20 u
Difference in the number of stickers that the boys and the girls have
= 20 u - 6 u
= 14 u
(d)
Total number of stickers that the boys and girls
= 6 u + 20 u
= 26 u
Answer(s): (a) 3; (b) 7; (c) 14; (d) 26