Adam has 20 less red stickers than blue stickers.
Adam has 5 times as many blue stickers as red stickers.
- Number of blue stickers
- Number of red stickers
- Total number of stickers
- Number of less red stickers than blue stickers
(a)
The number of blue stickers is 5 times the number of red stickers.
The number of red stickers is the smaller group.
Number of red stickers = 1 u
Number of blue stickers = 5 u
Number of less red stickers than blue stickers = 5 u - 1 u = 4 u
4 u = 20
1 u = 20 ÷ 4 = 5
Number of blue stickers
= 5 u
= 5 x 5
= 25
(b)
Number of red stickers
= 1 u
= 5
(c)
Total number of stickers
= 5 u + 1 u
= 6 u
= 6 x 5
= 30
(d)
Number of less red stickers than blue stickers
= 5 u - 1 u
= 4 u
= 4 x 5
= 20
Answer(s): (a) 25; (b) 5; (c) 30; (d) 20