Question 1078256
When I Was 4 Years, My Sister Was Half My Age , Now My Sister Is 30
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When you were 4 your Sister was (1/2)4 = 2
So, you are 2 years older than your sister.
When your sister is 30 you will be 32.
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Cheers,
Stan H.
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 Years...............HOW OLD AM I.. 
A=39..................
B=15...................
C=80..................
D=60..................
E=32...................