I need help fast!

John bought some Nikes at Foot Locker. They were $289.89 and he got them on sale for 20% off.

1. What was the amount of the discount?

2. What did he pay for the Nikes?

Sam bought the same pair at another chain. His were $299.99 and 25% off.

3. What was Sam's discount/savings on his shoes?

4. What did he pay after the savings?

5. Who got the better deal? And by how much?