A bakery uses 70% of its milk in one week. They now have 36 quarts of milk left. There are4 quarts in a gallons How many gallons of milk did the bakery use during the week

21 gallons

explanation:

36 is 30% of 120

70% of 120 is 84

84 divided by 4 is 21

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:

answer are

step-by-step explanation: