The answer to solve these problems is that the full circle is 360 degrees, the way to find the answer is to have to equal sides that equal 360 degrees. That means one half of 360 degrees is 180 degrees. Hope this helps.
6000*0.0575=345
Final answer: $345.00
Assuming you mean 4 hours.
Given that time = 4 hours and distance = 150 miles
Average speed = distance/time
= 150/4
= 37.5 miles per hour.
Please mark brainliest if this helps you.