Fill in the blanks.
Each girl has 7 stickers.
Each boy has 11 stickers.
The ratio of the number of girls to the number of boys is 8 : 11.
- 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 |
8 u |
11 u |
Number of stickers for each child |
7 |
11 |
Total number of stickers |
8 u x 7 = 56 u |
11 u x 11 = 121 u |
(a)
Change ratio into units.
Number of girls = 8 u
Number of boys = 11 u
Difference between the number of boys and girls
= 11 u - 8 u
= 3 u
(b)
Total number of girls and boys
= 8 u + 11 u
= 19 u
(c)
Total number of stickers that the girls have
= 8 u x 7
= 56 u
Total number of stickers that the boys have
= 11 u x 11
= 121 u
Difference in the number of stickers that the girls and the boys have
= 121 u - 56 u
= 65 u
(d)
Total number of stickers that the girls and boys
= 56 u + 121 u
= 177 u
Answer(s): (a) 3; (b) 19; (c) 65; (d) 177