Question: Emma is 7 years old. If her sister is 9 years older than her, how old will Emma be when her sister is 56? Think carefully first, then make a decision:
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Emma’s sister is 7 + 9 = 16 years old. In this many years, Emma’s sister will be 56 years old: 56 - 16 = 40 years. When her sister is 56 years old, Emma will be 7 + 40 = 47 years. So the answer is 47.
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