Sam has 18 cows.  5 more than half the cows are black.  How many cows are not black?
What is half the number of cows? ** Half of the cows: 18/2=<<18/2=9>>9
How many black cows are there? ** Black cows: 5+9=<<5+9=14>>14
How many cows are not black? ** 18-14=<<18-14=4>>4 cows
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