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 5 : 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 |
5 u |
12 u |
Number of stickers for each child |
2 |
5 |
Total number of stickers |
5 u x 2 = 10 u |
12 u x 5 = 60 u |
(a)
Change ratio into units.
Number of boys = 5 u
Number of girls = 12 u
Difference between the number of girls and boys
= 12 u - 5 u
= 7 u
(b)
Total number of boys and girls
= 5 u + 12 u
= 17 u
(c)
Total number of stickers that the boys have
= 5 u x 2
= 10 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 - 10 u
= 50 u
(d)
Total number of stickers that the boys and girls
= 10 u + 60 u
= 70 u
Answer(s): (a) 7; (b) 17; (c) 50; (d) 70