Question 975719
{{{X=7Y}}}
.
.
.
{{{X+10=3(Y+10)}}}
{{{X+10=3Y+30}}}
Substituting from above,
{{{7Y+10=3Y+30}}}
{{{4Y=20}}}
{{{Y=5}}}
.
.
{{{X=7(5)}}}
{{{X=35}}}
Ali is 35 and Ahmed is 5.