Question 1113857
... times older than....



Anthony, y
Mary, r

{{{y=r+3r}}}
{{{y=4r}}}



In three years, he will be twice as old as Mary.
{{{y+3=2(r+3)}}}
-
{{{4r+3=2(r+3)}}}
{{{4r+3=2r+6}}}
{{{2r=3}}}
{{{highlight_green(r=3/2)}}}------Marry now


{{{y=4r=4(3/2)}}}
{{{highlight_green(y=6)}}}------Anthony now