There are 14 kindergartners and 24 first graders and some second graders in Ms. Watson's class. Overall Ms. Watson has 42 students. How many second graders are in Ms. Watson’s class? Give me reasons, before answering the question
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There are 14 + 24 = 38 kindergartners and first graders in Ms. Watson’s class. There are 42 - 38 = 4 second graders in Ms. Watson’s class. So the final answer is 4.
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