Adam has 20 less blue stickers than green stickers.
Adam has 3 times as many green stickers as blue stickers.
- Number of green stickers
- Number of blue stickers
- Total number of stickers
- Number of less blue stickers than green stickers
(a)
The number of green stickers is 3 times the number of blue stickers.
The number of blue stickers is the smaller group.
Number of blue stickers = 1 u
Number of green stickers = 3 u
Number of less blue stickers than green stickers = 3 u - 1 u = 2 u
2 u = 20
1 u = 20 ÷ 2 = 10
Number of green stickers
= 3 u
= 3 x 10
= 30
(b)
Number of blue stickers
= 1 u
= 10
(c)
Total number of stickers
= 3 u + 1 u
= 4 u
= 4 x 10
= 40
(d)
Number of less blue stickers than green stickers
= 3 u - 1 u
= 2 u
= 2 x 10
= 20
Answer(s): (a) 30; (b) 10; (c) 40; (d) 20
