Open Middle®
Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create a true statement.
Hint
Consider denominators that are factors of 100
Answer
13/50 = 26%, 13/26 = 50%, 14/50 = 28%, 14/28 = 50%, 16/50 = 32%, 16/32 = 50%, 17/50 = 34%, 17/34 = 50%, 18/50 = 36%, 18/36=50%, 19/50 = 38%, 19/38 = 50%, 23/50 = 46%, 23/46 = 50%, 31/50 = 62%, 31/62 = 50%, 32/50 = 64%, 32/64 = 50%, 34/50 = 68%, 34/68 = 50%, 36/50 = 72%, 36/72 = 50%, 38/50 = 76%, 38/76 = 50%, 39/50 = 78%, 39/78 = 50%, 41/50 = 82%, 41/82 = 50%, 43/50 = 86%, 43/86 = 50%, 46/50 = 92%, 46/92 = 50%, 48/50 = 96%, 48/96 = 50%,
There are many other combinations that work as well such as 21/35 = 60% or 12/30 = 40%, etc….
Source: Matthew Miller
