Fill in the blanks.
Each girl has 6 stickers.
Each boy has 7 stickers.
The ratio of the number of girls to the number of boys is 7 : 10.
- 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 |
10 u |
Number of stickers for each child |
6 |
7 |
Total number of stickers |
7 u x 6 = 42 u |
10 u x 7 = 70 u |
(a)
Change ratio into units.
Number of girls = 7 u
Number of boys = 10 u
Difference between the number of boys and girls
= 10 u - 7 u
= 3 u
(b)
Total number of girls and boys
= 7 u + 10 u
= 17 u
(c)
Total number of stickers that the girls have
= 7 u x 6
= 42 u
Total number of stickers that the boys have
= 10 u x 7
= 70 u
Difference in the number of stickers that the girls and the boys have
= 70 u - 42 u
= 28 u
(d)
Total number of stickers that the girls and boys
= 42 u + 70 u
= 112 u
Answer(s): (a) 3; (b) 17; (c) 28; (d) 112