Adam, Charlie and Bryan have some stickers in the ratio of 3 : 2 : 9.
Adam and Charlie have a total of 800 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 = 3 u
Number of stickers that Charlie has = 2 u
Number of stickers that Bryan has = 9 u
Number of stickers Adam and Charlie have
= 3 u + 2 u
= 5 u
5 u = 800
1 u = 800 ÷ 5 = 160
Number of stickers that Adam has
= 3 u
= 3 x 160
= 480
(b)
Number of stickers that Adam and Bryan have
= 3 u + 9 u
= 12 u
= 12 x 160
= 1920
(c)
Number of less stickers that Charlie has than Adam
= 3 u - 2 u
= 1 u
= 1 x 160
= 160
Answer(s): (a) 480; (b) 1920; (c) 160