Question 613399: susan is six years older than beth. in four years, susan will be twice as old as beth. how old is susan now? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! susan is six years older than beth. in four years, susan will be twice as old as beth. how old is susan now?
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let x=Beth's present age
x+6=susan's present age
4 years later:
x+4=Beth's age
x+6+4=x+10=Susan's age
x+10=2(x+4)
x+10=2x+8
x=2
x+6=8
Ans:
Susan is 8 yrs old now
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