The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second? Choose the correct choice
A) 54%  B) 74%  C) 53%  D) 64%  E) 24%
r = 3 πr2 = 9   r = 5 πr2 = 25   25 π – 16 π   100 ---- ? =&gt; 64%   Answer:64%
<result>D</result>
The radius of the two circular fields is in the ratio 3: 5 the area of the first field is what percent less than the area of the second?