Mary is 3 times as old as her brother, Josh. If Josh is 6 years old how old will Mary be on her next birthday?
2 answers:
John = x
Mary = 3x
If John = 6 years old
===> Mary = 3(6) = 18 years old
Next birthday
===> 18 + 1 = 19 years old
M = 3j
J = 6
M = 18, she will be 19 on her next birthday
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