Find the side of square whose perimeter is 20m I want the answer with methods ​

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Answer for 10 points show work you guys in advanced < 3