Bryan, Adam and Charlie have some stickers in the ratio of 9 : 3 : 2.
Bryan and Adam have a total of 300 stickers.
- How many stickers does Bryan have?
- How many stickers do Bryan and Charlie have?
- How many less stickers does Adam have than Bryan?
(a)
Number of stickers that Bryan has = 9 u
Number of stickers that Adam has = 3 u
Number of stickers that Charlie has = 2 u
Number of stickers Bryan and Adam have
= 9 u + 3 u
= 12 u
12 u = 300
1 u = 300 ÷ 12 = 25
Number of stickers that Bryan has
= 9 u
= 9 x 25
= 225
(b)
Number of stickers that Bryan and Charlie have
= 9 u + 2 u
= 11 u
= 11 x 25
= 275
(c)
Number of less stickers that Adam has than Bryan
= 9 u - 3 u
= 6 u
= 6 x 25
= 150
Answer(s): (a) 225; (b) 275; (c) 150