54. Nolan has 20 collectible stamps. He paid $43.75 foreach stamp 3 years ago. The stamps are currently valued at $51.85 each. How much more must the average value per stamp rise for the combined value of these 20 stamps to be exactly $300.00 more than Nolan paid for them?

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

Assuming that x is increased, the equation can be formulated (51.85(1+x)-43.75)×20=300, so K is chosen