Three siblings share an inheritance of $1,000. Brenda receives twice as much as Charlie, and Alan receives twice as much as Brenda. How much money does Brenda receive?
$285.71 (or 2,000/7 dollars)
Let Charlie's share be x. Brenda receives 2x and Alan receives 4x. In total, x + 2x + 4x = 7x = $1,000. Thus, x = 1,000 / 7, and Brenda's portion is 2x = 2,000 / 7 dollars (approximately $285.71).
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: Hard. More like this: Math riddles with answers or try Target 24 for a different kind of puzzle.
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