Bryan, Charlie and Adam have some stickers in the ratio of 8 : 7 : 6.
Bryan and Charlie have a total of 600 stickers.
- How many stickers does Bryan have?
- How many stickers do Bryan and Adam have?
- How many less stickers does Charlie have than Bryan?
(a)
Number of stickers that Bryan has = 8 u
Number of stickers that Charlie has = 7 u
Number of stickers that Adam has = 6 u
Number of stickers Bryan and Charlie have
= 8 u + 7 u
= 15 u
15 u = 600
1 u = 600 ÷ 15 = 40
Number of stickers that Bryan has
= 8 u
= 8 x 40
= 320
(b)
Number of stickers that Bryan and Adam have
= 8 u + 6 u
= 14 u
= 14 x 40
= 560
(c)
Number of less stickers that Charlie has than Bryan
= 8 u - 7 u
= 1 u
= 1 x 40
= 40
Answer(s): (a) 320; (b) 560; (c) 40