Question

A car travels with a speed of 50 km per hour -1 in the first hour and 10 km per hour -1 in the second hour what is the total distance covered by the car in the two hours

Answer 1

Explanation:

50-1

49 in first hour

10-1 in second hour

9 in second hr

total distance=9(second hour) +49(first hour)

=58