Science, Maths & Technology
Ratio, proportion and percentages
...world record for the 1500 m race. He completed this distance in 3 minutes 26 seconds. Work out: (a) his (average) speed in miles per hour for the 1 mile race; (b) his (average) speed in kilometres per hour for the 1500 metre race; (c) compare (a) and (b). In which race was his (average) speed faster assuming that 1.61 km = 1 mile? Answer (a) To find the speed in miles per...