Adam has 240 blue stickers, green stickers and red stickers.
60% of the stickers are green.
50% of the remaining stickers are blue.
The rest are red stickers.
- How many red stickers are there?
- How many less blue stickers than green stickers?
Green |
Blue |
Red |
3 u |
2 u |
|
50% |
50% |
|
2 u x 50% = 1 u
|
2 u x 50% = 1 u
|
60% =
60100 =
35 Total number of stickers = 5 u
Number of green stickers = 3 u
Number of blue and red stickers
= 5 u - 3 u
= 2 u
5 u = 240
1 u = 240 ÷ 5 = 48
(a)
Percent of remaining stickers that are red
= 100% - 50%
= 50%
Number of red stickers
= 50% x 2 u
= 0.5 x 2 u
= 1 u
= 1 x 48
= 48
(b)
Number of blue stickers
= 50% x 2 u
= 0.5 x 2 u
= 1 u
Number of green stickers = 3 u
Number of less blue stickers than green stickers
= 3 u - 1 u
= 2 u
= 2 x 48
= 96
Answer(s): (a) 48; (b) 96