Given :
Xinran walks 3 mi/h uphill, 4 mi/h on flat land and 5 mi/h downhill.
To Find :
If he walks one mile uphill, then one mile on flat land and then returns by the same route to his starting point, how many minutes does he walk.
Solution :
Time taken to walk one mile uphill is :
Time taken to walk two mile on flat land( one on going and one or returning ) is :
Time taken to walk one mile downhill is :
Total time taken :
Therefore, time taken un 62 minutes.
Answer:
Um... what? xD
Do you have a school question I could help with??
Step-by-step explanation:
Answer:
negative correlation
Step-by-step explanation:
because it starts from the y axis
Answer:
3
Step-by-step explanation:
Answer:
You basically have to subsitute 4 in the x's place. where ever there is a x you would put a 4 and what ever answer you end up would go into the box.
Step-by-step explanation: