Adam, Charlie and Bryan have some stickers in the ratio of 4 : 1 : 2.
Adam and Charlie have a total of 700 stickers.
- How many stickers does Adam have?
- How many stickers do Adam and Bryan have?
- How many more stickers does Adam have than Charlie?
(a)
Number of stickers that Adam has = 4 u
Number of stickers that Charlie has = 1 u
Number of stickers that Bryan has = 2 u
Number of stickers Adam and Charlie have
= 4 u + 1 u
= 5 u
5 u = 700
1 u = 700 ÷ 5 = 140
Number of stickers that Adam has
= 4 u
= 4 x 140
= 560
(b)
Number of stickers that Adam and Bryan have
= 4 u + 2 u
= 6 u
= 6 x 140
= 840
(c)
Number of more stickers that Adam has than Charlie
= 4 u - 1 u
= 3 u
= 3 x 140
= 420
Answer(s): (a) 560; (b) 840; (c) 420