Fill in the blanks.
Each boy has 2 stickers.
Each girl has 3 stickers.
The ratio of the number of boys to the number of girls is 7 : 10.
- 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 |
7 u |
10 u |
Number of stickers for each child |
2 |
3 |
Total number of stickers |
7 u x 2 = 14 u |
10 u x 3 = 30 u |
(a)
Change ratio into units.
Number of boys = 7 u
Number of girls = 10 u
Difference between the number of girls and boys
= 10 u - 7 u
= 3 u
(b)
Total number of boys and girls
= 7 u + 10 u
= 17 u
(c)
Total number of stickers that the boys have
= 7 u x 2
= 14 u
Total number of stickers that the girls have
= 10 u x 3
= 30 u
Difference in the number of stickers that the boys and the girls have
= 30 u - 14 u
= 16 u
(d)
Total number of stickers that the boys and girls
= 14 u + 30 u
= 44 u
Answer(s): (a) 3; (b) 17; (c) 16; (d) 44