Fill in the blanks.
Each girl has 2 stickers.
Each boy has 9 stickers.
The ratio of the number of girls to the number of boys is 4 : 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 |
4 u |
11 u |
Number of stickers for each child |
2 |
9 |
Total number of stickers |
4 u x 2 = 8 u |
11 u x 9 = 99 u |
(a)
Change ratio into units.
Number of girls = 4 u
Number of boys = 11 u
Difference between the number of boys and girls
= 11 u - 4 u
= 7 u
(b)
Total number of girls and boys
= 4 u + 11 u
= 15 u
(c)
Total number of stickers that the girls have
= 4 u x 2
= 8 u
Total number of stickers that the boys have
= 11 u x 9
= 99 u
Difference in the number of stickers that the girls and the boys have
= 99 u - 8 u
= 91 u
(d)
Total number of stickers that the girls and boys
= 8 u + 99 u
= 107 u
Answer(s): (a) 7; (b) 15; (c) 91; (d) 107