Fill in the blanks.
Each girl has 3 stickers.
Each boy has 11 stickers.
The ratio of the number of girls to the number of boys is 3 : 4.
- 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 |
3 u |
4 u |
Number of stickers for each child |
3 |
11 |
Total number of stickers |
3 u x 3 = 9 u |
4 u x 11 = 44 u |
(a)
Change ratio into units.
Number of girls = 3 u
Number of boys = 4 u
Difference between the number of boys and girls
= 4 u - 3 u
= 1 u
(b)
Total number of girls and boys
= 3 u + 4 u
= 7 u
(c)
Total number of stickers that the girls have
= 3 u x 3
= 9 u
Total number of stickers that the boys have
= 4 u x 11
= 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) 1; (b) 7; (c) 35; (d) 53