Fill in the blanks.
Each girl has 1 stickers.
Each boy has 10 stickers.
The ratio of the number of girls to the number of boys is 5 : 7.
- 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 |
5 u |
7 u |
Number of stickers for each child |
1 |
10 |
Total number of stickers |
5 u x 1 = 5 u |
7 u x 10 = 70 u |
(a)
Change ratio into units.
Number of girls = 5 u
Number of boys = 7 u
Difference between the number of boys and girls
= 7 u - 5 u
= 2 u
(b)
Total number of girls and boys
= 5 u + 7 u
= 12 u
(c)
Total number of stickers that the girls have
= 5 u x 1
= 5 u
Total number of stickers that the boys have
= 7 u x 10
= 70 u
Difference in the number of stickers that the girls and the boys have
= 70 u - 5 u
= 65 u
(d)
Total number of stickers that the girls and boys
= 5 u + 70 u
= 75 u
Answer(s): (a) 2; (b) 12; (c) 65; (d) 75