Fill in the blanks.
Each girl has 2 stickers.
Each boy has 3 stickers.
The ratio of the number of girls to the number of boys is 7 : 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 |
7 u |
11 u |
Number of stickers for each child |
2 |
3 |
Total number of stickers |
7 u x 2 = 14 u |
11 u x 3 = 33 u |
(a)
Change ratio into units.
Number of girls = 7 u
Number of boys = 11 u
Difference between the number of boys and girls
= 11 u - 7 u
= 4 u
(b)
Total number of girls and boys
= 7 u + 11 u
= 18 u
(c)
Total number of stickers that the girls have
= 7 u x 2
= 14 u
Total number of stickers that the boys have
= 11 u x 3
= 33 u
Difference in the number of stickers that the girls and the boys have
= 33 u - 14 u
= 19 u
(d)
Total number of stickers that the girls and boys
= 14 u + 33 u
= 47 u
Answer(s): (a) 4; (b) 18; (c) 19; (d) 47