Take 22 fun and challenging tests and you'll know whether your IQ is really super. Can you figure this out? In how many ways can you make change for $3, using combinations of only dimes and/or nickels? (31 ways. Ignore the nickels. You can use 0 to 30 dimes, filling in the remaining amount with nickels.) Every one will give your brain a real workout.
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Specifications
Book Details
Imprint
Sterling/Puzzlewright
Dimensions
Height
139 mm
Length
133 mm
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