Adam has 30 more red stickers than blue stickers.
Adam has 7 times as many red stickers as blue stickers.
- Number of red stickers
- Number of blue stickers
- Total number of stickers
- Number of less blue stickers than red stickers
(a)
The number of red stickers is 7 times the number of blue stickers.
The number of blue stickers is the smaller group.
Number of blue stickers = 1 u
Number of red stickers = 7 u
Number of more red stickers than blue stickers = 7 u - 1 u = 6 u
6 u = 30
1 u = 30 ÷ 6 = 5
Number of red stickers
= 7 u
= 7 x 5
= 35
(b)
Number of blue stickers
= 1 u
= 5
(c)
Total number of stickers
= 7 u + 1 u
= 8 u
= 8 x 5
= 40
(d)
Number of less blue stickers than red stickers
= 7 u - 1 u
= 6 u
= 6 x 5
= 30
Answer(s): (a) 35; (b) 5; (c) 40; (d) 30