The length of a rectangle is three times its width. the perimeter of the rectangle is at most 112 cm. which inequality models the relationship between the width and the perimeter of the rectangle?

2w+2⋅(3w)≥112

2w+2⋅(3w)< 112

2w+2⋅(3w)> 112

2w+2⋅(3w)≤112

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: