A car travels for half of its time at 80 km/h and for the rest time at 40 km/h. total distance covered is 60 km. what is the average speed of the car
Anonymous:
___k off
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Answer:
time taken to cover half distance with speed 80=distance /time
(1/2*60)/80=3/8hours
time taken to cover half distance with speed 40=30/40=3/4
average speed =total distance /time
=60/(3/8+3/4)=53.3
Explanation:
its 60 km/h
okay as u say
my answer can be wrong
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