Math
posted by Melissa .
The height of a plant at the beginning of a month was 19 1/2 centimeters at the end of the same month the height of the plant was 22 3/8 centimeters. How many centimeters did the plant grow in a the nonth

Math 
Ms. Sue
19 1/2 = 19 4/8
22 3/8 = 21 11/8
21 11/8  19 4/8 = ?
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