Adam has 300 green stickers and red stickers.
30% of the stickers are red.
- How many green stickers are there?
- How many more green stickers than red stickers?
(a)
30% =
30100 =
310 Total number of stickers = 10 u
Number of red stickers = 3 u
Number of green stickers = 10 u - 3 u = 7 u
10 u = 300
1 u = 300 ÷ 10 = 30
Number of green stickers
= 7 u
= 7 x 30
= 210
(b)
Number of more green stickers than red stickers
= 7 u - 3 u
= 4 u
= 4 x 30
= 120
Answer(s): (a) 210; (b) 120