Daniel traveled by scooter at an average speed of 28mp/h. Then he traveled by car at an average speed of 44mp/h. In total he traveled 378 miles for 9 hours.

How much many minutes did Daniel travel by scooter?

Question

Daniel traveled by scooter at an average speed of 28mp/h. Then he traveled by car at an average speed of 44mp/h. In total he traveled 378 miles for 9 hours.

How much many minutes did Daniel travel by scooter?

anonymous · Answer

S = 18/16 = 67.5 min

anonymous · Answer

could you some me your work?

anonymous · Answer

Let S is the hours travel by scooter:
28S + 44 ( 9 - S) = 378 miles

anonymous · Answer

Can you continue from here?

anonymous · Answer

no

anonymous · Answer

I thought it was a system of equation problem

anonymous · Answer

Just multiply it out! It's not as complicated as you thought.
Of course it's simple for me to do all the work, but you won't be benefited at all!

anonymous · Answer

I already knew the answer b4 I posted the question. Could you explain 28S + 44 ( 9 - S) = 378 miles.

anonymous · Answer

Apply: speed * time   = distance

anonymous · Answer

that explains the 28S but why add the speed of the car?

anonymous · Answer

Because the distance is total for both scooter and car.

anonymous · Answer

and the 9-s?