Adam has 900 red stickers and green stickers.
15% of the stickers are green.
- How many red stickers are there?
- How many more red stickers than green stickers?
(a)
15% =
15100 =
320 Total number of stickers = 20 u
Number of green stickers = 3 u
Number of red stickers = 20 u - 3 u = 17 u
20 u = 900
1 u = 900 ÷ 20 = 45
Number of red stickers
= 17 u
= 17 x 45
= 765
(b)
Number of more red stickers than green stickers
= 17 u - 3 u
= 14 u
= 14 x 45
= 630
Answer(s): (a) 765; (b) 630