Your answer for 15 is D or C. For 16 I’m estimating 125?
About one hundreds out of two hundred brobaly like literature better
36/2=18
18 would be your answer the radius is half of the diameter
(4/5)*what = (2/3)
Multiply by 5/4
.. what = (2/3)*(5/4)
.. what = 5/6
A: 292892 b: 2972 c: 9272726: d: 196373