WHAT_IS_THE_REPRESENTATIVE_FRACTION_OF_THE_KILOMETER_SCALE_IF_20_MILES_IS_REPRESENTED_AS_5_CM_AND_MAXIMUM_LENGTH_TO_BE_MEASURED_IS_5_KM?_(1_MILE_=_1.609_KM)?$

• A. 1:4
• B. 1:643600
• C. 1:1.287
• D. 0.7768:1