Posted by Sam on Sunday, August 5, 2012 at 11:10am.
Work out all dimensions in feet.
r=7.5 inches = 7.5/12=0.625'
h=25 inches = (25/12)'
Volume = (1/3) π r² h
and
from the price of $50/ft², we get
Cost=volume*price
=(1/3) π r² h * 50
Round the answer to two decimal places (to the cent).
I'll leave it to you to work with the buttons of your calculator.
Thank you, it works.
You're welcome!
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