A map has a scale of 3 cm : 20 km. Which statements are true? Choose all that apply. A Two cities that are 7.5 cm apart on the map are actually 50 km apart. B Two cities that are 4 cm apart on the map are actually 30 km apart. C Two cities that are actually 45 km apart are 6.5 cm apart on the map. D Two cities that are actually 66 km apart are 9.9 cm apart on the map. Answer key

Answer:Answer optionsA. Two cities that are 7.5 cm apart on the map are actually 50 km apart.D. Two cities that are actually 66 km apart are 9.9 cm apart on the map.Step-by-step explanation:Step 1Indicate the scale as shown;3 cm : 20 km, meaning 3 cm on the map represents 20 km on the groundA). what does 7.5 cm represent on the groundDistance on ground=(7.5×20)/3=50 kmB). what does 4 cm represent on the groundDistance on ground=(4×20)/3=26.67 kmC). what does 45 km on ground represent on the mapDistance on map=(45×3)/20=6.75 cmD). what does 66 km on ground represent on the mapDistance on the map=(66×3)/20=9.9 cm