a van takes 5 hours to cover a distance of 495 km . what speed in kph should the van maintain to cover the same distance in 3 / 2 of the previous time ?
"( 3 / 2 ) * 5 = 7.5 hours 495 / 7.5 = 66 kph the answer is c ."
divide(495, multiply(divide(3, 2), 5))