Adam has 90 more red stickers than blue stickers.
Adam has 10 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 10 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 = 10 u
Number of more red stickers than blue stickers = 10 u - 1 u = 9 u
9 u = 90
1 u = 90 ÷ 9 = 10
Number of red stickers
= 10 u
= 10 x 10
= 100
(b)
Number of blue stickers
= 1 u
= 10
(c)
Total number of stickers
= 10 u + 1 u
= 11 u
= 11 x 10
= 110
(d)
Number of less blue stickers than red stickers
= 10 u - 1 u
= 9 u
= 9 x 10
= 90
Answer(s): (a) 100; (b) 10; (c) 110; (d) 90