3 buddies share some stickers.
Charlie has 80 more than Adam.
Adam has 3 times as many as Bryan.
Charlie and Adam have 800 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 + 80
Number of stickers that Charlie and Adam have is 800 more than Bryan.
Number
of stickers that Charlie and Adam have = 1 u + 800 3 u + 80 + 3 u = 1 u + 800 6 u - 1 u = 800 - 80 5 u = 720
1 u = 720 ÷ 5 = 144 (a)
Number of stickers that Adam has
= 3 x 144
= 432
(b)
Number of stickers that Charlie has
= 3 u + 80
= 3 × 144 + 80
= 432 + 80
= 512
(c)
Number of stickers that Charlie and Bryan have
= 3 u + 80 + 1 u
= 512 + 144
= 656
Answer(s): (a) 432; (b) 512; (c) 656