A woman driving her car reaches her destination in 30 hours. If she reduces her speed by 1/15, then she travels 10 km less in the same amount of time. What is the original speed of the car in km/hr?
A. 4.0
B. 5.0
C. 5.5
D. 6.0
E. 7.5
A. 4.0
B. 5.0
C. 5.5
D. 6.0
E. 7.5












