The traffic police recorded the speed (in km/h) of 10 motorists as 50, 56, 52, 63, 42, 45, 60, 58, 51, 55. Later on an error in the recording instrument was found. Find the correct average speed of the motorists if the instrument recorded the speed 9 km/h more in each case.
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Answer:
61.9km
Step-by-step explanation:
firsty we have to increase 9 kmph so the results will be
59,65,61,69,51,54,69,67,60,64
and there are 10 numbers
so the sum of all numbers is 619
619/10=61.9 km
please mark this as branliest for god,s sake
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