Need this answer fast it is the last piece to my pie chart for a catering service offers 3 appetizers, 5 main courses and 8 desserts. a customer is to select 2 appetizers, 4 main courses and 6 desserts for a banquet. in how many ways can this be done?

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.