The ratio of the number of girls to the number of boys is 5 : 8.
Each girl is given 8 stickers.
Each boy is given 2 stickers.
The total number of stickers is 224.
- 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 |
8 |
2 |
Total stickers |
40 u |
16 u |
(a)
Total number of stickers
= 40 u + 16 u
= 56 u
56 u = 224
1 u = 224 ÷ 56 = 4
Number of children
= 5 u + 8 u
= 13 u
= 13 x 4
= 52
(b)
Number of more boys than girls
= 8 u - 5 u
= 3 u
= 3 x 4
= 12
(c)
Number of more stickers given to the girls than boys
= 40 u - 16 u
= 24 u
= 24 x 4
= 96
Answer(s): (a) 52; (b) 12; (c) 96