Solution #73: The Balancing Brick
Three pounds. If the brick balances with three quarters of a brick plus
three quarters of a pound, then one quarter of a brick must weigh three
quarters of a pound. Thus a whole brick weighs four times as much,
or three pounds.
Source: Fixx, James F
Categories: Algebra, Reasoning, Pitfall, Fractions, Poetic
[Top |
Problem]