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 1 : 4.
- 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 |
1 u |
4 u |
Number of stickers for each child |
4 |
9 |
Total number of stickers |
1 u x 4 = 4 u |
4 u x 9 = 36 u |
(a)
Change ratio into units.
Number of boys = 1 u
Number of girls = 4 u
Difference between the number of girls and boys
= 4 u - 1 u
= 3 u
(b)
Total number of boys and girls
= 1 u + 4 u
= 5 u
(c)
Total number of stickers that the boys have
= 1 u x 4
= 4 u
Total number of stickers that the girls have
= 4 u x 9
= 36 u
Difference in the number of stickers that the boys and the girls have
= 36 u - 4 u
= 32 u
(d)
Total number of stickers that the boys and girls
= 4 u + 36 u
= 40 u
Answer(s): (a) 3; (b) 5; (c) 32; (d) 40