Correct: half of 50 = 25, half of 40 = 20, half of 30 = 15, half of 20 = 10, half of 22 = 11, half of 24 = 12, half of 18 = 9, half of 32 = 16, half of 42 = 21, half of 48 = 24, Incorrect: half of 50 = 20, half of 30 = 20, half of 44 = 21, half of 22 = 10, half of 26 = 14, half of 32 = 18, half of 46 = 22,

Halving within 50

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