Answer:
A.) r = 0.17454
Step-by-step explanation:
Got it right on my text
19.6 would be the area of a single base circle πr² is the area formula
I hope this will help you.
See attachment for answer and math work.
Unit price = price for one donut
if 12 donuts cost $8.50, then one donut would be:
$8.50/12 = 0.7083, or about $0.71