Fill in the blanks.
Each boy has 4 stickers.
Each girl has 9 stickers.
The ratio of the number of boys to the number of girls is 2 : 11.
- Difference in the number of girls and boys = _____ u
- Total number of boys and girls = _____ u
- Difference in the number of stickers that the boys and the girls have = _____ u
- Total number of stickers that the boys and girls have = _____ u
|
Boys |
Girls |
Number of children |
2 u |
11 u |
Number of stickers for each child |
4 |
9 |
Total number of stickers |
2 u x 4 = 8 u |
11 u x 9 = 99 u |
(a)
Change ratio into units.
Number of boys = 2 u
Number of girls = 11 u
Difference between the number of girls and boys
= 11 u - 2 u
= 9 u
(b)
Total number of boys and girls
= 2 u + 11 u
= 13 u
(c)
Total number of stickers that the boys have
= 2 u x 4
= 8 u
Total number of stickers that the girls have
= 11 u x 9
= 99 u
Difference in the number of stickers that the boys and the girls have
= 99 u - 8 u
= 91 u
(d)
Total number of stickers that the boys and girls
= 8 u + 99 u
= 107 u
Answer(s): (a) 9; (b) 13; (c) 91; (d) 107