Answer: 
Step-by-step explanation:
Given: A tourist first walked 17km with a speed of v km/h.
Since 
therefore, 
Let
be the time he walked with speed v.
then 
Also he hiked 12 km uphill with the speed that was 2 km/hour less than his original speed.
Let
be the time he hiked 12 km,
Then 
The total time for the whole trip is given by:-

Substitute the values of
and
in the equation, we get

16 it is as easy as multiplying
You can ask Siri. Answer is Increased 75%. “What percent is 56 out of 32.”
<span>The odds of him making a sale only at first stop is 16%.</span>