Please help!
What is the formula for simplest interest?

Alength on a map is 7.5 inches. thescale is 1 inch: 5 miles. what is theactual distance? a 1.5 miles c 12.5 milesb 2.5 miles d 37.5 miles

Ineed to know the answer right now! !

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?