Achef cooked 9 kilograms of mashed potatoes for a dinner party. if the guests only ate 4/5 of the amount he cooked, how much did they eat?

How can you decide witch operations to use to slice a two step equation

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}