Fill in the blanks.
Each girl has 8 stickers.
Each boy has 11 stickers.
The ratio of the number of girls to the number of boys is 5 : 9.
- 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 |
5 u |
9 u |
Number of stickers for each child |
8 |
11 |
Total number of stickers |
5 u x 8 = 40 u |
9 u x 11 = 99 u |
(a)
Change ratio into units.
Number of girls = 5 u
Number of boys = 9 u
Difference between the number of boys and girls
= 9 u - 5 u
= 4 u
(b)
Total number of girls and boys
= 5 u + 9 u
= 14 u
(c)
Total number of stickers that the girls have
= 5 u x 8
= 40 u
Total number of stickers that the boys have
= 9 u x 11
= 99 u
Difference in the number of stickers that the girls and the boys have
= 99 u - 40 u
= 59 u
(d)
Total number of stickers that the girls and boys
= 40 u + 99 u
= 139 u
Answer(s): (a) 4; (b) 14; (c) 59; (d) 139