3 children share some stickers.
Charlie has 80 more than Bryan.
Bryan has 3 times as many as Adam.
Charlie and Bryan have 500 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 = 3 u
Number of stickers that Charlie has = 3 u + 80
Number of stickers that Charlie and Bryan have is 500 more than Adam.
Number
of stickers that Charlie and Bryan have = 1 u + 500 3 u + 80 + 3 u = 1 u + 500 6 u - 1 u = 500 - 80 5 u = 420
1 u = 420 ÷ 5 = 84 (a)
Number of stickers that Bryan has
= 3 x 84
= 252
(b)
Number of stickers that Charlie has
= 3 u + 80
= 3 × 84 + 80
= 252 + 80
= 332
(c)
Number of stickers that Charlie and Adam have
= 3 u + 80 + 1 u
= 332 + 84
= 416
Answer(s): (a) 252; (b) 332; (c) 416