The 40 Cent Store

Topic: Logic
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Bob wants to buy a toy at the 40 cent store. His father tells him he must pay for it himself. With help from the magical money magician, Bob tries to figure out how many ways he can pay with nickels, dimes, and quarters.

Common Core Standards: S-CP.9
Problem #: 
31 (2018-2019)
Problem Difficulty Level: 2 [?]