Adam, Charlie and Bryan have some stickers in the ratio of 8 : 2 : 3.
Adam and Charlie have a total of 200 stickers.
- How many stickers does Adam have?
- How many stickers do Adam and Bryan have?
- How many less stickers does Charlie have than Adam?
(a)
Number of stickers that Adam has = 8 u
Number of stickers that Charlie has = 2 u
Number of stickers that Bryan has = 3 u
Number of stickers Adam and Charlie have
= 8 u + 2 u
= 10 u
10 u = 200
1 u = 200 ÷ 10 = 20
Number of stickers that Adam has
= 8 u
= 8 x 20
= 160
(b)
Number of stickers that Adam and Bryan have
= 8 u + 3 u
= 11 u
= 11 x 20
= 220
(c)
Number of less stickers that Charlie has than Adam
= 8 u - 2 u
= 6 u
= 6 x 20
= 120
Answer(s): (a) 160; (b) 220; (c) 120