Martin uses of a gallon of paint to cover of a wall. What is the unit rate at which Martin paints in walls per gallon? walls per gallon of a wall per gallon walls per gallon walls per gallon

Answer is in the photo. I can't attach it here, but I've uploaded it to a file hosting. link below! Good Luck!

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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: 2x + 2 − 2 = 10 − 2; subtraction property of equality

step-by-step explanation: