Bryan, Charlie and Adam have some stickers in the ratio of 3 : 2 : 7.
Bryan and Charlie have a total of 200 stickers.
- How many stickers does Bryan have?
- How many stickers do Bryan and Adam have?
- How many more stickers does Bryan have than Charlie?
(a)
Number of stickers that Bryan has = 3 u
Number of stickers that Charlie has = 2 u
Number of stickers that Adam has = 7 u
Number of stickers Bryan and Charlie have
= 3 u + 2 u
= 5 u
5 u = 200
1 u = 200 ÷ 5 = 40
Number of stickers that Bryan has
= 3 u
= 3 x 40
= 120
(b)
Number of stickers that Bryan and Adam have
= 3 u + 7 u
= 10 u
= 10 x 40
= 400
(c)
Number of more stickers that Bryan has than Charlie
= 3 u - 2 u
= 1 u
= 1 x 40
= 40
Answer(s): (a) 120; (b) 400; (c) 40