Fill in the blanks.
Each girl has 3 stickers.
Each boy has 4 stickers.
The ratio of the number of girls to the number of boys is 1 : 10.
- 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 |
1 u |
10 u |
Number of stickers for each child |
3 |
4 |
Total number of stickers |
1 u x 3 = 3 u |
10 u x 4 = 40 u |
(a)
Change ratio into units.
Number of girls = 1 u
Number of boys = 10 u
Difference between the number of boys and girls
= 10 u - 1 u
= 9 u
(b)
Total number of girls and boys
= 1 u + 10 u
= 11 u
(c)
Total number of stickers that the girls have
= 1 u x 3
= 3 u
Total number of stickers that the boys have
= 10 u x 4
= 40 u
Difference in the number of stickers that the girls and the boys have
= 40 u - 3 u
= 37 u
(d)
Total number of stickers that the girls and boys
= 3 u + 40 u
= 43 u
Answer(s): (a) 9; (b) 11; (c) 37; (d) 43