I bought a book and a bookmark for $11.00 total. The book cost $10.00 more than the bookmark. How much did the bookmark cost?
$0.50
If the bookmark costs X, the book costs X + $10.00. X + (X + 10) = 11 -> 2X = 1 -> X = $0.50.
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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