Fill in the blanks.
Each girl has 1 stickers.
Each boy has 8 stickers.
The ratio of the number of girls to the number of boys is 2 : 5.
- 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 |
5 u |
Number of stickers for each child |
1 |
8 |
Total number of stickers |
2 u x 1 = 2 u |
5 u x 8 = 40 u |
(a)
Change ratio into units.
Number of girls = 2 u
Number of boys = 5 u
Difference between the number of boys and girls
= 5 u - 2 u
= 3 u
(b)
Total number of girls and boys
= 2 u + 5 u
= 7 u
(c)
Total number of stickers that the girls have
= 2 u x 1
= 2 u
Total number of stickers that the boys have
= 5 u x 8
= 40 u
Difference in the number of stickers that the girls and the boys have
= 40 u - 2 u
= 38 u
(d)
Total number of stickers that the girls and boys
= 2 u + 40 u
= 42 u
Answer(s): (a) 3; (b) 7; (c) 38; (d) 42