Fill in the blanks.
Each boy has 1 stickers.
Each girl has 3 stickers.
The ratio of the number of boys to the number of girls is 3 : 4.
- 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 |
3 u |
4 u |
Number of stickers for each child |
1 |
3 |
Total number of stickers |
3 u x 1 = 3 u |
4 u x 3 = 12 u |
(a)
Change ratio into units.
Number of boys = 3 u
Number of girls = 4 u
Difference between the number of girls and boys
= 4 u - 3 u
= 1 u
(b)
Total number of boys and girls
= 3 u + 4 u
= 7 u
(c)
Total number of stickers that the boys have
= 3 u x 1
= 3 u
Total number of stickers that the girls have
= 4 u x 3
= 12 u
Difference in the number of stickers that the boys and the girls have
= 12 u - 3 u
= 9 u
(d)
Total number of stickers that the boys and girls
= 3 u + 12 u
= 15 u
Answer(s): (a) 1; (b) 7; (c) 9; (d) 15