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 8 : 9.
- 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 |
8 u |
9 u |
Number of stickers for each child |
3 |
4 |
Total number of stickers |
8 u x 3 = 24 u |
9 u x 4 = 36 u |
(a)
Change ratio into units.
Number of boys = 8 u
Number of girls = 9 u
Difference between the number of girls and boys
= 9 u - 8 u
= 1 u
(b)
Total number of boys and girls
= 8 u + 9 u
= 17 u
(c)
Total number of stickers that the boys have
= 8 u x 3
= 24 u
Total number of stickers that the girls have
= 9 u x 4
= 36 u
Difference in the number of stickers that the boys and the girls have
= 36 u - 24 u
= 12 u
(d)
Total number of stickers that the boys and girls
= 24 u + 36 u
= 60 u
Answer(s): (a) 1; (b) 17; (c) 12; (d) 60