4. Based on the following chart, convert 84.3 km to mi. (2 marks)

1 ft = 12 in

1 yd = 3 ft

1 mi = 1760 yd

1 in = 2.54 cm

1 mi = 1.609 km

1 yd = 0.9144 m

1 ft = 30.48 cm