asked 62.5k views
5 votes
Mary, who is 16 years old, is four times as old as her brother. how old will mary be when she is twice as old as her brother?

2 Answers

3 votes
Mary will be 8 years old 
answered
User Ashish Jagtap
by
8.9k points
4 votes
Mary will be 18 when she is twice as old as her brother
answered
User Cyrille Ka
by
8.7k points

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