A jumbo chocolate bar with a rectangular shape measures 15centimeters in length

A jumbo chocolate bar with a rectangular shape measures 15centimeters in length 8 centimeters in width and 2 centimeters inthickness. Due to escalating costs of cocoa the management hasdecided to reduce the volume of the bar by 20%. To accomplish thisreduction management decides that the new bar should have the same2 centimeter thickness but the length and width of each should bereduced by an equal number of centimeters. What should the thedimensions of the new candy bar?