Fill in the blanks.
Each girl has 4 stickers.
Each boy has 9 stickers.
The ratio of the number of girls to the number of boys is 2 : 3.
- 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 |
2 u |
3 u |
Number of stickers for each child |
4 |
9 |
Total number of stickers |
2 u x 4 = 8 u |
3 u x 9 = 27 u |
(a)
Change ratio into units.
Number of girls = 2 u
Number of boys = 3 u
Difference between the number of boys and girls
= 3 u - 2 u
= 1 u
(b)
Total number of girls and boys
= 2 u + 3 u
= 5 u
(c)
Total number of stickers that the girls have
= 2 u x 4
= 8 u
Total number of stickers that the boys have
= 3 u x 9
= 27 u
Difference in the number of stickers that the girls and the boys have
= 27 u - 8 u
= 19 u
(d)
Total number of stickers that the girls and boys
= 8 u + 27 u
= 35 u
Answer(s): (a) 1; (b) 5; (c) 19; (d) 35