Fill in the blanks.
Each boy has 1 stickers.
Each girl has 4 stickers.
The ratio of the number of boys to the number of girls is 4 : 5.
- 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 |
4 u |
5 u |
Number of stickers for each child |
1 |
4 |
Total number of stickers |
4 u x 1 = 4 u |
5 u x 4 = 20 u |
(a)
Change ratio into units.
Number of boys = 4 u
Number of girls = 5 u
Difference between the number of girls and boys
= 5 u - 4 u
= 1 u
(b)
Total number of boys and girls
= 4 u + 5 u
= 9 u
(c)
Total number of stickers that the boys have
= 4 u x 1
= 4 u
Total number of stickers that the girls have
= 5 u x 4
= 20 u
Difference in the number of stickers that the boys and the girls have
= 20 u - 4 u
= 16 u
(d)
Total number of stickers that the boys and girls
= 4 u + 20 u
= 24 u
Answer(s): (a) 1; (b) 9; (c) 16; (d) 24