Fill in the blanks.
Each boy has 3 stickers.
Each girl has 8 stickers.
The ratio of the number of boys to the number of girls is 4 : 7.
- 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 |
4 u |
7 u |
Number of stickers for each child |
3 |
8 |
Total number of stickers |
4 u x 3 = 12 u |
7 u x 8 = 56 u |
(a)
Change ratio into units.
Number of boys = 4 u
Number of girls = 7 u
Difference between the number of girls and boys
= 7 u - 4 u
= 3 u
(b)
Total number of boys and girls
= 4 u + 7 u
= 11 u
(c)
Total number of stickers that the boys have
= 4 u x 3
= 12 u
Total number of stickers that the girls have
= 7 u x 8
= 56 u
Difference in the number of stickers that the boys and the girls have
= 56 u - 12 u
= 44 u
(d)
Total number of stickers that the boys and girls
= 12 u + 56 u
= 68 u
Answer(s): (a) 3; (b) 11; (c) 44; (d) 68