Fill in the blanks.
Each girl has 7 stickers.
Each boy has 11 stickers.
The ratio of the number of girls to the number of boys is 5 : 8.
- 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 |
8 u |
Number of stickers for each child |
7 |
11 |
Total number of stickers |
5 u x 7 = 35 u |
8 u x 11 = 88 u |
(a)
Change ratio into units.
Number of girls = 5 u
Number of boys = 8 u
Difference between the number of boys and girls
= 8 u - 5 u
= 3 u
(b)
Total number of girls and boys
= 5 u + 8 u
= 13 u
(c)
Total number of stickers that the girls have
= 5 u x 7
= 35 u
Total number of stickers that the boys have
= 8 u x 11
= 88 u
Difference in the number of stickers that the girls and the boys have
= 88 u - 35 u
= 53 u
(d)
Total number of stickers that the girls and boys
= 35 u + 88 u
= 123 u
Answer(s): (a) 3; (b) 13; (c) 53; (d) 123