Ajumbo chocolate bar with a rectangular shape measures 11 centimeters in length, 8 centimeters in width, and 3 centimeters in thickness. due to escalating costs of cocoa, the management has decided to reduce the volume of the bar by 20%. to accomplish this reduction, management decides that the new bar should have the same 3 centimeter thickness, but the length and width of each should be reduced by an equal number of centimeters. what should be the dimensions of the new candy bar?