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Today, 14:04

A group of 120 students were asked how old they were when they lost their first tooth. 50% said they were 7 years old. How many students said they were 7 years old when they lost their first tooth? Explain.

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  1. Today, 16:26
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    Answer: Sample response: 50% is a friendly percent. You can divide 120 by 2 to find the answer. 120 divided by 2 is 60. So, 60 students were 7 years old when they lost their first tooth.
  2. Today, 17:16
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    60 students, because 120 divided by 2 is 60, and 100% divided by 2 is 50%.
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