Question 973912
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A boy is 8 years old and his sister is twice his age if the boy turn 12 years old how old would his sister be 
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@addingup(3677)'s answer, 24, is WRONG!!
How RIDICULOUS is this answer? According to @addingup(3677)'s logic, boy is now twice his sister's age, and in 2 years'
time. will also be twice her age. Never heard of such STUPID and NON-SENSICAL logic, if it could be called that!   

This is so SIMPLE, and is an ELEMENTARY-LEVEL easy-peasy problem....as easy as any problem could be!! How could
someone get such a SIMPLE, 2nd grade math problem WRONG? Unbelievable!!

Boy is 8, sister is twice his age, or 2(8) = 16
So, sister is 8 (16 - 8) years OLDER than the boy
Therefore, when the boy is 12 (4 years from now), sister will be 4 years older too, or 16 + 4 = 20

SIMPLE, SIMPLE, SIMPLE. Doesn't even need algebra, just sheer common sense, and a little FOCUS!!!</font></font></font></b></pre>