Therefore you must change 30 minutes into 0.5 hours and substitute these compatible values into the formula and do the following calculation.ĭistance = speed \times time = 80 \times 0. The correct way is to notice that the speed uses hours but the time given is in minutes. The range formula is mostly used in statistics to determine the range given in a particular data set. When using the speed distance time formula you must ensure that the units of the measures are compatible.įor example, if a car travels at 80 \ km per hour for 30 minutes and you are asked to calculate the distance, a common error is to substitute the values straight into the formula and do the following calculation.ĭistance = speed \times time = 80 \times 30 = 2400 \ km
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