A brick weighs 3 pounds plus half of its own weight. How much does the brick weigh in total?
6 pounds
Let w be the weight of the brick. w = 3 + 0.5w. Subtracting 0.5w gives 0.5w = 3, so w = 6.
About this riddle
Math riddles hide a calculation inside a short story. Pull out the numbers, work out what is being asked, and watch for a trick such as a unit change.
Difficulty: Medium. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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