a cyclist rides for 5 hours at a certain speed and then for 4 hours at a speed 6 km/h greater than her original speed. If he rides 294 km altogether, what was her initial speed?

Answer 1

slower speed ---- x km/h
faster speed ----- x+6 km/h

5x + 4(x+6) = 294

easy to solve....

Answer 2

30