fractions
posted by Christine .
Harry spent one third of his money on a hat, 1/6 of his money on socks, and $12.00 on a tie. How much did Harry spend?

Let x = total amount spent.
1/3x + 1/6x + 12 = x
2/6x + 1/6x + 12 = x
1/2x + 12 = x
12 = 1/2x
12 / 0.5 = x
24 = x