Q: IF A boy is 4 years old and his sister is three times as old as he is .When the boy is 12 years old how old will his sister be?

Write your answer...

Submit

Still have questions?

Related questions

The boy's sister would then be 34. do the math.

The boy is 18 and the girl is 9

13

The boy is 9 years old and his sis is 18 years old

Depends on the day this would be considered and when their birthdays are to get technical, but if it is the same day of the year 3 years later then she is 13.

The answer is three

== ==

There can be no proper answer as the father will not live to be 150 years old.

if my sister had a baby boy what would he be to me

Mailbox is a boy and in Mailbox's Birthday he turns ten years old.

Answergirl is 19. . .three years ago she was 16 boy is 7 . . .three years ago he was 4hope this helps!------------------------------------------------------------------Answer from Panawala - Karachi - Pakistan (fpanawala@hotmail.com)lets start with the Equitions1. x + y = 262. 4x + y = 20Now Multiply equation 1 by 41. 4x + 4y = 1042. 4x + y = 20Now subtract equation 2 from equation 1you get3y = 84y=28Now divide 28 by 4 because we mulitplied equation 1 by 4you get 7 so the age to the brother is 7 and three years back the age was 4the age of the sister is 19 and three years back the age was 16so to prove that 3 years before sister age was 4 times the age of brotheryou divide sister age from brotheryou get 16/4 = 4Answer solved and proved

A lot of the times yes, but it doesnt really mean anything.