Adam has 500 blue stickers and green stickers.
10% of the stickers are green.
- How many blue stickers are there?
- How many less green stickers than blue stickers?
(a)
10% =
10100 =
110 Total number of stickers = 10 u
Number of green stickers = 1 u
Number of blue stickers = 10 u - 1 u = 9 u
10 u = 500
1 u = 500 ÷ 10 = 50
Number of blue stickers
= 9 u
= 9 x 50
= 450
(b)
Number of less green stickers than blue stickers
= 9 u - 1 u
= 8 u
= 8 x 50
= 400
Answer(s): (a) 450; (b) 400