Ronald spent $110.25 on school clothes. He counted his money and discovered that he had $35.75 left. How much money did he originally have? Enter an equation, using m as your variable, to find how much money he originally had. Then solve the equation.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters