Andrew has six fewer coins than Casey. Bob has two more than twice as many coins as Andrew. Altogether, they have 504 coins. How many coins does Bob have?

Question

asked Sep 27, 2016 105k views

1 Answer

Ayyappan Subramanian · Answer 1 · 2016-09-30T15:02:26+0000

Andrew: x - 6
Bob: 2x - 12
Casey: x

(x - 6) + (2x - 12) + x = 504
(x + 2x + x) + (-6 - 12) = 504
4x - 18 = 504
+ 18 + 18
4x = 522
4 4
x = 130.5