Formula needed to calculate amount that can be borrowed with max $400 payment

[Kymray]

Need help starting the problem. solved with the wrong formula for MAT 1035

You can afford a $400 monthly payment. If current mortgage rates are 2.58% for 15 year fixed rate loan. A. How much can you afford to borrow?

The formula for this would be great!

 

[Deleted member 4993]

Need help starting the problem. solved with the wrong formula for MAT 1035

You can afford a $400 monthly payment. If current mortgage rates are 2.58% for 15 year fixed rate loan. A. How much can you afford to borrow?

The formula for this would be great!

Please tell us what formulae you know for calculating mortgage payment