Can anyone answer this for me?

(it would be great if you could explain how you figured it out as well, ! )

The scale for a map is 20 miles = 1/2 inch. the distance between two towns on the map is 3 3/4 inches. what is the actual distance between these towns? 150 miles 38 miles 75 miles 135 miles

If 25% of y is 30, what is 60% of y?

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost