3 boys share some stickers.
Charlie has 40 more than Adam.
Adam has 3 times as many as Bryan.
Charlie and Adam have 700 more than Bryan.
- How many stickers does Adam have?
- How many stickers does Charlie have?
- How many stickers do Charlie and Bryan have?
Choose the person with least stickers to be 1 u.
Number of stickers that Bryan has = 1 u
Number of stickers that Adam has = 3 u
Number of stickers that Charlie has = 3 u + 40
Number of stickers that Charlie and Adam have is 700 more than Bryan.
Number
of stickers that Charlie and Adam have = 1 u + 700 3 u + 40 + 3 u = 1 u + 700 6 u - 1 u = 700 - 40 5 u = 660
1 u = 660 ÷ 5 = 132 (a)
Number of stickers that Adam has
= 3 x 132
= 396
(b)
Number of stickers that Charlie has
= 3 u + 40
= 3 × 132 + 40
= 396 + 40
= 436
(c)
Number of stickers that Charlie and Bryan have
= 3 u + 40 + 1 u
= 436 + 132
= 568
Answer(s): (a) 396; (b) 436; (c) 568