3 brothers share some stickers.
Charlie has 30 more than Adam.
Adam has 3 times as many as Bryan.
Charlie and Adam have 300 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 + 30
Number of stickers that Charlie and Adam have is 300 more than Bryan.
Number
of stickers that Charlie and Adam have = 1 u + 300 3 u + 30 + 3 u = 1 u + 300 6 u - 1 u = 300 - 30 5 u = 270
1 u = 270 ÷ 5 = 54 (a)
Number of stickers that Adam has
= 3 x 54
= 162
(b)
Number of stickers that Charlie has
= 3 u + 30
= 3 × 54 + 30
= 162 + 30
= 192
(c)
Number of stickers that Charlie and Bryan have
= 3 u + 30 + 1 u
= 192 + 54
= 246
Answer(s): (a) 162; (b) 192; (c) 246