Damian dilates ΔPQR shown on the coordinate plane below by a scale factor of 0.5 centered at the origin. Then, he translates the image 1 unit up and 3 units to the right to form ΔP' Q' R'. What are the coordinates of the vertices of ΔP' Q' R'?

Answer in complete sentences. Include the coordinates of the vertices of the image, including any intermediate steps, to justify your answer.

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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: