Solve for the unknown interest rate in each of the following: (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.)

Present Value				Years			Interest Rate				Future Value
	$	730			5				%			$	1,411
		920			6								1,748
		16,500			17								143,332
		71,800			20								315,815