Answer:
at first : circumference = 25.12 = pi*d--------> d= 25.12/ pi
after one minute: circumference = 75.63= pi*d-------> d= 75.63/pi
Step-by-step explanation:
A) minute 1) diameter = 7.995946004446154 mm
minute 2) diameter = 24.07378170048816 mm
(I'll assume that you can round if necessary)
B) The diameter of the new ink spot is roughly 3X larger
(technically 3.01074841 X larger)
