Question: The parking lot in front of the school has 52 parking spaces. The parking lot in the back of the school has 38 spaces. If 39 cars have parked and 1/2 of the spaces of the back are filled, how many parking spaces are still available in the school? Think carefully first, then make a decision:
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There are a total of 52 + 38 = 90 parking spaces in the school. Since half of the spaces are filled then, 38 x 1 / 2 = 19 cars have parked at the back. So, a total of 39 + 19 = 58 cars have parked in the school. Therefore, 90 - 58 = 32 parking spaces are still available. So the answer is 32.
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