Question

Tom and Jerry enter a race. Tom runs an average of 10 kilometers per hour, and Jerry runs an average of 9 kilometers per hour. If Tom finishes one half hour before Jerry, how far do Tom and Jerry run? 20 km 90 km 45 km 22.5 km

Answer 1

SOS

Answer: 45

Motion problems: d = rt

distance = rate * time; rate = speed

Tom: 10kph

Jerry: 9kph

45 km

Answer 2

I am almost positive that the answer is 45 km