The ratio of the number of girls to the number of boys is 5 : 8.
Each girl is given 6 stickers.
Each boy is given 3 stickers.
The total number of stickers is 108.
- How many children are there?
- How many more boys than girls are there?
- How many more stickers are given to the girls than the boys?
|
Girls |
Boys |
Number |
5 u |
8 u |
Stickers for each person |
6 |
3 |
Total stickers |
30 u |
24 u |
(a)
Total number of stickers
= 30 u + 24 u
= 54 u
54 u = 108
1 u = 108 ÷ 54 = 2
Number of children
= 5 u + 8 u
= 13 u
= 13 x 2
= 26
(b)
Number of more boys than girls
= 8 u - 5 u
= 3 u
= 3 x 2
= 6
(c)
Number of more stickers given to the girls than boys
= 30 u - 24 u
= 6 u
= 6 x 2
= 12
Answer(s): (a) 26; (b) 6; (c) 12