A survey of voters explored the relationship between the ages of voters and wether or not they support building skateboard ramps at a local park.

Ages 18-37: In Favor-40 Opposed-10 Total-50
Ages 38-57: In Favor-27 Opposed-23 Total-50
Ages 58 and over: In Favor-6 Opposed-44 Total-50
Total: In Favor-73 Opposed-77 Total-150

Round answers to the nearest whole percent.

a. What percentage of surveyed voters in the 58 and over age group are in favor to building skateboard ramps?

b. What percentage of surveyed voters in the 18-37 age group are opposed of building skateboard ramps?

c. What is the percentage of the total number of people that are in favor to building skateboard ramps?

Please be fast! Thank you so much!