A man travelled 420 kilometres in 12 hours .How much time would he have taken to cover 630 kilometres if he travelled non-stop at the same speed?
Follow Math Help Forum on Facebook and Google+
$\displaystyle \frac{630*12}{420}=18$ hours
Originally Posted by uma A man travelled 420 kilometres in 12 hours .How much time would he have taken to cover 630 kilometres if he travelled non-stop at the same speed? Hi uma, Not sure what your question has to do with percentages, but..... Remember that 'distance = rate x time', so 'rate = distance / time' Rate = 420/12 = 35 km/hr At this rate, to travel 630 km it would take 630/35 = 18 hours.
View Tag Cloud