Fill in the blanks.
Each girl has 1 stickers.
Each boy has 4 stickers.
The ratio of the number of girls to the number of boys is 9 : 11.
- 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 |
9 u |
11 u |
Number of stickers for each child |
1 |
4 |
Total number of stickers |
9 u x 1 = 9 u |
11 u x 4 = 44 u |
(a)
Change ratio into units.
Number of girls = 9 u
Number of boys = 11 u
Difference between the number of boys and girls
= 11 u - 9 u
= 2 u
(b)
Total number of girls and boys
= 9 u + 11 u
= 20 u
(c)
Total number of stickers that the girls have
= 9 u x 1
= 9 u
Total number of stickers that the boys have
= 11 u x 4
= 44 u
Difference in the number of stickers that the girls and the boys have
= 44 u - 9 u
= 35 u
(d)
Total number of stickers that the girls and boys
= 9 u + 44 u
= 53 u
Answer(s): (a) 2; (b) 20; (c) 35; (d) 53