Fill in the blanks.
Each boy has 2 stickers.
Each girl has 5 stickers.
The ratio of the number of boys to the number of girls is 7 : 12.
- 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 |
12 u |
Number of stickers for each child |
2 |
5 |
Total number of stickers |
7 u x 2 = 14 u |
12 u x 5 = 60 u |
(a)
Change ratio into units.
Number of boys = 7 u
Number of girls = 12 u
Difference between the number of girls and boys
= 12 u - 7 u
= 5 u
(b)
Total number of boys and girls
= 7 u + 12 u
= 19 u
(c)
Total number of stickers that the boys have
= 7 u x 2
= 14 u
Total number of stickers that the girls have
= 12 u x 5
= 60 u
Difference in the number of stickers that the boys and the girls have
= 60 u - 14 u
= 46 u
(d)
Total number of stickers that the boys and girls
= 14 u + 60 u
= 74 u
Answer(s): (a) 5; (b) 19; (c) 46; (d) 74