Charlie, Bryan and Adam have some stickers in the ratio of 2 : 1 : 2.
Charlie and Bryan have a total of 900 stickers.
- How many stickers does Charlie have?
- How many stickers do Charlie and Adam have?
- How many less stickers does Bryan have than Charlie?
(a)
Number of stickers that Charlie has = 2 u
Number of stickers that Bryan has = 1 u
Number of stickers that Adam has = 2 u
Number of stickers Charlie and Bryan have
= 2 u + 1 u
= 3 u
3 u = 900
1 u = 900 ÷ 3 = 300
Number of stickers that Charlie has
= 2 u
= 2 x 300
= 600
(b)
Number of stickers that Charlie and Adam have
= 2 u + 2 u
= 4 u
= 4 x 300
= 1200
(c)
Number of less stickers that Bryan has than Charlie
= 2 u - 1 u
= 1 u
= 1 x 300
= 300
Answer(s): (a) 600; (b) 1200; (c) 300