Fill in the blanks.
Each girl has 5 stickers.
Each boy has 11 stickers.
The ratio of the number of girls to the number of boys is 3 : 8.
- 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 |
8 u |
Number of stickers for each child |
5 |
11 |
Total number of stickers |
3 u x 5 = 15 u |
8 u x 11 = 88 u |
(a)
Change ratio into units.
Number of girls = 3 u
Number of boys = 8 u
Difference between the number of boys and girls
= 8 u - 3 u
= 5 u
(b)
Total number of girls and boys
= 3 u + 8 u
= 11 u
(c)
Total number of stickers that the girls have
= 3 u x 5
= 15 u
Total number of stickers that the boys have
= 8 u x 11
= 88 u
Difference in the number of stickers that the girls and the boys have
= 88 u - 15 u
= 73 u
(d)
Total number of stickers that the girls and boys
= 15 u + 88 u
= 103 u
Answer(s): (a) 5; (b) 11; (c) 73; (d) 103