Fill in the blanks.
Each girl has 3 stickers.
Each boy has 5 stickers.
The ratio of the number of girls to the number of boys is 4 : 5.
- Difference in the number of boys and girls = _____ u
- Total number of girls and boys = _____ u
- Difference in the number of stickers that the girls and the boys have = _____ u
- Total number of stickers that the girls and boys have = _____ u
|
Girls |
Boys |
Number of children |
4 u |
5 u |
Number of stickers for each child |
3 |
5 |
Total number of stickers |
4 u x 3 = 12 u |
5 u x 5 = 25 u |
(a)
Change ratio into units.
Number of girls = 4 u
Number of boys = 5 u
Difference between the number of boys and girls
= 5 u - 4 u
= 1 u
(b)
Total number of girls and boys
= 4 u + 5 u
= 9 u
(c)
Total number of stickers that the girls have
= 4 u x 3
= 12 u
Total number of stickers that the boys have
= 5 u x 5
= 25 u
Difference in the number of stickers that the girls and the boys have
= 25 u - 12 u
= 13 u
(d)
Total number of stickers that the girls and boys
= 12 u + 25 u
= 37 u
Answer(s): (a) 1; (b) 9; (c) 13; (d) 37