Easy and fast way to do it:
Go to google and type, " volume of a cone calculator" and type in the radius and height.
Since we are finding the unit rate of the cost per comic, we will need to divide $5 by 20 comics which you will get 0.25 cents and divide $7.50 by 30 comics which you will also get 0.25 cents.Therefore, the unit rate and constant of proportionality is 0.25 cents.
Answer: A. O 3:06 P.M.
Step-by-step explanation: 1:15+2 hours=3:15 3:15+51 mins=3:06
Hmmm A millimeter would be too big for that .
I think millionths of a meter would be about right. Micrometers.
