You can
put this solution on YOUR website!24/32=n/40
on cross multiplying we get ..
24/32 * 40 = n
on solving this we get..
n = 30
Now if you want to verify you answer ,,,you can put the values of x and y in any of the equation and if you get LHS=RHS,,,this means that you answer is correct..(here u must also put the LHS into standarad form )..if you are unable to verify,,contact at my link....
hope this will help you
Please feel free to revert back for any further queries.