Question

Ryan left the science museum and drove south.three hours later gabriella driving 42km/h faster in and effort to catch up to him. After two hours gabriella finally caught up. find ryans average speed

Answer 1

2*42 = 5*x
So, x = 84/5 = 16.8km/h

Answer 2

no the answer is 28 km/h i need the work let me know :)

Answer 3

Oh....it is 42km/h FASTER.

So, 2*(x+42) = 5*x
=> 2x + 84 = 5x
=> 3x = 84
=> x = 84/3
=> x = 28km/h