3 children share some stickers.
Bryan has 50 more than Charlie.
Charlie has 3 times as many as Adam.
Bryan and Charlie have 700 more than Adam.
- How many stickers does Charlie have?
- How many stickers does Bryan have?
- How many stickers do Bryan 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 Charlie has = 3 u
Number of stickers that Bryan has = 3 u + 50
Number of stickers that Bryan and Charlie have is 700 more than Adam.
Number
of stickers that Bryan and Charlie have = 1 u + 700 3 u + 50 + 3 u = 1 u + 700 6 u - 1 u = 700 - 50 5 u = 650
1 u = 650 ÷ 5 = 130 (a)
Number of stickers that Charlie has
= 3 x 130
= 390
(b)
Number of stickers that Bryan has
= 3 u + 50
= 3 × 130 + 50
= 390 + 50
= 440
(c)
Number of stickers that Bryan and Adam have
= 3 u + 50 + 1 u
= 440 + 130
= 570
Answer(s): (a) 390; (b) 440; (c) 570