Neil and zack are working on a project that requires both research and presentation. neil is better at research, so he gives the presentation to zack. what is the comparative advantage in this case?

a.) neil doing the research
b.) zack doing the research
c.) neil working on the presentation

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.