Question

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 said they were 7 years old when they lost their first tooth? Explain.

Answer 1

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.