Adam, Charlie and Bryan have some stickers in the ratio of 7 : 3 : 6.
Adam and Charlie have a total of 300 stickers.
- How many stickers does Adam have?
- How many stickers do Adam and Bryan have?
- How many less stickers does Charlie have than Adam?
(a)
Number of stickers that Adam has = 7 u
Number of stickers that Charlie has = 3 u
Number of stickers that Bryan has = 6 u
Number of stickers Adam and Charlie have
= 7 u + 3 u
= 10 u
10 u = 300
1 u = 300 ÷ 10 = 30
Number of stickers that Adam has
= 7 u
= 7 x 30
= 210
(b)
Number of stickers that Adam and Bryan have
= 7 u + 6 u
= 13 u
= 13 x 30
= 390
(c)
Number of less stickers that Charlie has than Adam
= 7 u - 3 u
= 4 u
= 4 x 30
= 120
Answer(s): (a) 210; (b) 390; (c) 120