Answer :
60 / 3 = 20. 25 / 5 = 5. This means that the you get 20cm by 5 cm. However, you must do the sum again with the new dimensions. 20 / 3 = 6.6666666. 5 / 5 = 1. The final dimensions of the map are 6.66666cm (6 1/3 cm) by 1cm.