3 children share some stickers.
Charlie has 30 more than Bryan.
Bryan has 2 times as many as Adam.
Charlie and Bryan have 600 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 = 2 u
Number of stickers that Charlie has = 2 u + 30
Number of stickers that Charlie and Bryan have is 600 more than Adam.
Number
of stickers that Charlie and Bryan have = 1 u + 600 2 u + 30 + 2 u = 1 u + 600 4 u - 1 u = 600 - 30 3 u = 570
1 u = 570 ÷ 3 = 190 (a)
Number of stickers that Bryan has
= 2 x 190
= 380
(b)
Number of stickers that Charlie has
= 2 u + 30
= 2 × 190 + 30
= 380 + 30
= 410
(c)
Number of stickers that Charlie and Adam have
= 2 u + 30 + 1 u
= 410 + 190
= 600
Answer(s): (a) 380; (b) 410; (c) 600