Given
Riley drove 112.5 miles in the good weather ans 45 miles in the storm.
Time taken = 4 hour
Find
speed driving in the storm.
Step-by-step explanation
Let speed of Riley in the storm = x mph.
Let speed of Riley in good weather = x + 15 mph.
Time taken =
Time taken to drive 112.5 miles in good weather =
Time Taken to drive 45 miles in storm =
Now, the total time t, =
by solving this quadratic equation , we get
Final Answer
The speed of Riley driving in the storm = 30 mph