Abox of pen cost $6. a box of pencil$8 the table shows the cost of buying certain number of boxes of pen which ordered pair represent the cost of 5 small boxes and 5 large boxes

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.