Adam has 900 green stickers and red stickers.
20% of the stickers are red.
- How many green stickers are there?
- How many more green stickers than red stickers?
(a)
20% =
20100 =
15 Total number of stickers = 5 u
Number of red stickers = 1 u
Number of green stickers = 5 u - 1 u = 4 u
5 u = 900
1 u = 900 ÷ 5 = 180
Number of green stickers
= 4 u
= 4 x 180
= 720
(b)
Number of more green stickers than red stickers
= 4 u - 1 u
= 3 u
= 3 x 180
= 540
Answer(s): (a) 720; (b) 540