Adam, Charlie and Bryan have some stickers in the ratio of 7 : 3 : 2.
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 more stickers does Adam have than Charlie?
(a)
Number of stickers that Adam has = 7 u
Number of stickers that Charlie has = 3 u
Number of stickers that Bryan has = 2 u
Number of stickers Adam and Charlie have
= 7 u + 3 u
= 10 u
10 u = 800
1 u = 800 ÷ 10 = 80
Number of stickers that Adam has
= 7 u
= 7 x 80
= 560
(b)
Number of stickers that Adam and Bryan have
= 7 u + 2 u
= 9 u
= 9 x 80
= 720
(c)
Number of more stickers that Adam has than Charlie
= 7 u - 3 u
= 4 u
= 4 x 80
= 320
Answer(s): (a) 560; (b) 720; (c) 320