SOLUTION: sunil is ten years old and his mother is forty-five.How long will it be before she is twice as old as he is?

Question 951618: sunil is ten years old and his mother is forty-five.How long will it be before she is twice as old as he is?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
x=years until mother is twice as old
2(10yrs+x)=45yrs+x
20yrs+2x=45yrs+xsubtract 20 yrs fro each side.
2x=25yrs+x Subtract x from each side.
x=25 years ANSWER: In 25 years Sunil's mother will be twice as old as he is.
CHECK
m+25=2(s+25))
45yrs+25yrs=2(10yrs+25yrs)
70yrs=2(35yrs)
70yrs=70yrs
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