3 boys share some stickers.
Charlie has 60 more than Bryan.
Bryan has 4 times as many as Adam.
Charlie and Bryan have 200 more than Adam.
- How many stickers does Bryan have?
- How many stickers does Charlie have?
- How many stickers do Charlie and Adam have?
Choose the person with least stickers to be 1 u.
Number of stickers that Adam has = 1 u
Number of stickers that Bryan has = 4 u
Number of stickers that Charlie has = 4 u + 60
Number of stickers that Charlie and Bryan have is 200 more than Adam.
Number
of stickers that Charlie and Bryan have = 1 u + 200 4 u + 60 + 4 u = 1 u + 200 8 u - 1 u = 200 - 60 7 u = 140
1 u = 140 ÷ 7 = 20 (a)
Number of stickers that Bryan has
= 4 x 20
= 80
(b)
Number of stickers that Charlie has
= 4 u + 60
= 4 × 20 + 60
= 80 + 60
= 140
(c)
Number of stickers that Charlie and Adam have
= 4 u + 60 + 1 u
= 140 + 20
= 160
Answer(s): (a) 80; (b) 140; (c) 160