Fill in the blanks.
Each girl has 5 stickers.
Each boy has 8 stickers.
The ratio of the number of girls to the number of boys is 2 : 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 |
2 u |
11 u |
Number of stickers for each child |
5 |
8 |
Total number of stickers |
2 u x 5 = 10 u |
11 u x 8 = 88 u |
(a)
Change ratio into units.
Number of girls = 2 u
Number of boys = 11 u
Difference between the number of boys and girls
= 11 u - 2 u
= 9 u
(b)
Total number of girls and boys
= 2 u + 11 u
= 13 u
(c)
Total number of stickers that the girls have
= 2 u x 5
= 10 u
Total number of stickers that the boys have
= 11 u x 8
= 88 u
Difference in the number of stickers that the girls and the boys have
= 88 u - 10 u
= 78 u
(d)
Total number of stickers that the girls and boys
= 10 u + 88 u
= 98 u
Answer(s): (a) 9; (b) 13; (c) 78; (d) 98