The answer to this is 8%.
0.17 is the decimal, answer 3
Recall that the formula for the circumference of a circle is C = 2piR. The radius is 3 (half of 6, the diameter). 2*pi*3 is 6pi, which is approximately 19 inches.
If the 50 trucks represent the 5 in the ratio 5:12, then there are 120 cars.
It’s 40 degrees :) hope thsi helps