SOLUTION: mr alvarado is 20 years older than his son . in 5 years, he will be twice as old as his son will then be find their present ags
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Question 809032: mr alvarado is 20 years older than his son . in 5 years, he will be twice as old as his son will then be find their present ags
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
d=s+20,
d+5=2*(s+5)
s+20+5=2s+10
s+25=2s+10
15=s
35=d
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