fatimah bought 50 cans of paint. each can contained 500ml of paint. she painted 80 walls of similar size. she used 180 ml of paint for each wall. how many milliliters of paint does she have left pl answer​

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.