The ratio of the number of girls to the number of boys is 1 : 4.
Each girl is given 10 stickers.
Each boy is given 2 stickers.
The total number of stickers is 36.
- 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 |
1 u |
4 u |
Stickers for each person |
10 |
2 |
Total stickers |
10 u |
8 u |
(a)
Total number of stickers
= 10 u + 8 u
= 18 u
18 u = 36
1 u = 36 ÷ 18 = 2
Number of children
= 1 u + 4 u
= 5 u
= 5 x 2
= 10
(b)
Number of more boys than girls
= 4 u - 1 u
= 3 u
= 3 x 2
= 6
(c)
Number of more stickers given to the girls than boys
= 10 u - 8 u
= 2 u
= 2 x 2
= 4
Answer(s): (a) 10; (b) 6; (c) 4