Bryan, Charlie and Adam have some stickers in the ratio of 8 : 2 : 9.
Bryan and Charlie have a total of 700 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 = 2 u
Number of stickers that Adam has = 9 u
Number of stickers Bryan and Charlie have
= 8 u + 2 u
= 10 u
10 u = 700
1 u = 700 ÷ 10 = 70
Number of stickers that Bryan has
= 8 u
= 8 x 70
= 560
(b)
Number of stickers that Bryan and Adam have
= 8 u + 9 u
= 17 u
= 17 x 70
= 1190
(c)
Number of less stickers that Charlie has than Bryan
= 8 u - 2 u
= 6 u
= 6 x 70
= 420
Answer(s): (a) 560; (b) 1190; (c) 420