Posted by cha on .
A company sells cardboard that is nine and oneeighth millimeters thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is two hundred fiftyfive and onehalf millimeters thick. What must be done to both sides to solve the equation?

math 
Ms. Sue,
9.125c = 255.5
Divide both sides of the equation by 9.125