Adam has 80 stickers.
Adam has 3 times as many red stickers as green stickers.
- Number of red stickers = _____
- Number of more red stickers than green stickers = _____
- Total number of stickers = _____
- Number of less green stickers than red stickers = _____
(a)
The number of red stickers is 3 times the number of green stickers.
The number of green stickers is the smaller group.
Number of green stickers = 1 u
Number of red stickers = 3 u
Total number of stickers = 1 u + 3 u = 4 u
4 u = 80
1 u = 80 ÷ 4 = 20
Number of red stickers
= 3 u
= 3 x 20
= 60
(b)
Number of more red stickers than green stickers
= 3 u - 1 u
= 2 u
= 2 x 20
= 40
(c)
Total number of stickers
= 3 u + 1 u
= 4 u
= 4 x 20
= 80
(d)
Number of less green stickers than red stickers
= 3 u - 1 u
= 2 u
= 2 x 20
= 40
Answer(s): (a) 60; (b) 40; (c) 80; (d) 40