Fill in the blanks.
Each boy has 1 stickers.
Each girl has 11 stickers.
The ratio of the number of boys to the number of girls is 1 : 7.
- 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 |
1 u |
7 u |
Number of stickers for each child |
1 |
11 |
Total number of stickers |
1 u x 1 = 1 u |
7 u x 11 = 77 u |
(a)
Change ratio into units.
Number of boys = 1 u
Number of girls = 7 u
Difference between the number of girls and boys
= 7 u - 1 u
= 6 u
(b)
Total number of boys and girls
= 1 u + 7 u
= 8 u
(c)
Total number of stickers that the boys have
= 1 u x 1
= 1 u
Total number of stickers that the girls have
= 7 u x 11
= 77 u
Difference in the number of stickers that the boys and the girls have
= 77 u - 1 u
= 76 u
(d)
Total number of stickers that the boys and girls
= 1 u + 77 u
= 78 u
Answer(s): (a) 6; (b) 8; (c) 76; (d) 78