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Mathematics, 16.10.2020 20:01 officialrogerfp3gf2s
John’s sister is twice his age. In 5 years the sum of their ages will be 31. How old are John and his sister now? Briefly explain how you arrived at your answer. PLEASE ANSWER QUICKLY
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John’s sister is twice his age. In 5 years the sum of their ages will be 31. How old are John and hi...
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