Question 951618
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