3 cousins share some stickers.
Bryan has 50 more than Adam.
Adam has 3 times as many as Charlie.
Bryan and Adam have 200 more than Charlie.
- How many stickers does Adam have?
- How many stickers does Bryan have?
- How many stickers do Bryan and Charlie have?
Choose the person with least stickers to be 1 u.
Number of stickers that Charlie has = 1 u
Number of stickers that Adam has = 3 u
Number of stickers that Bryan has = 3 u + 50
Number of stickers that Bryan and Adam have is 200 more than Charlie.
Number
of stickers that Bryan and Adam have = 1 u + 200 3 u + 50 + 3 u = 1 u + 200 6 u - 1 u = 200 - 50 5 u = 150
1 u = 150 ÷ 5 = 30 (a)
Number of stickers that Adam has
= 3 x 30
= 90
(b)
Number of stickers that Bryan has
= 3 u + 50
= 3 × 30 + 50
= 90 + 50
= 140
(c)
Number of stickers that Bryan and Charlie have
= 3 u + 50 + 1 u
= 140 + 30
= 170
Answer(s): (a) 90; (b) 140; (c) 170