If x/x-z=y/y-z. find z when x= 2 and y=3

Brady has a 20 year fixed rate mortgage for $215,500 with monthly payments of 1,305.89.the annual interest rate is 4%. what is the total cost of the principal and interest for this loan rounded to the nearest dollar

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Tom drove 206 miles in 3.9 hours. estimate his average speed.