Question

A woman drives a distance of 40km to work each day and her average speed for the journey is written as x km/h. If she increase her average speed by 5km/h, it takes 2 minutes less time than usual to make the journey. Calculate her normal speed in km/h​

Answer 1

40/x = 40/x+5 + 2/60
-> i don’t have a sketchbook or calculator at the moment so pls figure out the final answer yourself