Question 975858

let man's age be {{{x}}} and son's age {{{y}}}
given: 
{{{x=32}}} 
{{{y=8}}} 

In how many years (let it be {{{k}}}) will the man be twice as old as his son:{{{x+k=2(y+k)}}}

{{{32+k=2(8+k)}}}

{{{32+k=16+2k}}}

{{{32-16=2k-k}}}

{{{k=16}}}.......in {{{16}}} years the man will be twice as old as his son

check:

{{{32+16=48}}}
{{{8+16=24}}}=>{{{2*24=48}}}