Awater tank has 22 gallons of water. it begins to receive 26 gallons per hour for a number of hours. if the tank needs to fill to at least 516 gallons, which of the following is the minimum number of hours the tank should continue filling? 5.2 19 20.7 23

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations:

don't report but were is the digram

step-by-step explanation: