Question

mr. Smith has twice as much money as mr. hairy the average amount of money they have is $489 how much money does mr. Smith have

Answer 1

let the amounts be
Mr Hairy = y
Mr Smith = 2 y

( 2 y + y ) /2 = 489
3/2 y = 489
y = 326

Amount by Mr smith
2 × 326 = 652


Answer = 652 Dollars

Answer 2

S=2H
(S+H)/2=489
(2H+H)/2=489
3H=978
H=326
S=652

Mr. Smith has $652
Mr. Hairy has $326