Papa drove at an average speed of 30 mph to the airport. He boarded a helicopter and travel at 60 mph to the corporate office. The entire distance was 150 miles and took 3 hours. what was he distance from the airport to the office?
1 Answer
Explanation:
I initially found this by guessing:
What if he spent an hour driving to the airport then two hours flying?
He would then travel
That all adds up since he would travel a total of
How would you calculate this without guessing?
If he spent all
That would be
The helicopter travels an additional
So the helicopter portion of the journey must be
In those two hours, the helicopter travels a total of