SOLUTION: I would like to sell 1 gallon cans of peaches. What would the diameter of the base of the can need to be for it to be 7 inches tall and able to hold 1 gallon(s) of liquid? (Note: 1

Algebra ->  Finance -> SOLUTION: I would like to sell 1 gallon cans of peaches. What would the diameter of the base of the can need to be for it to be 7 inches tall and able to hold 1 gallon(s) of liquid? (Note: 1      Log On


   

Question 1036310: I would like to sell 1 gallon cans of peaches. What would the diameter of the base of the can need to be for it to be 7 inches tall and able to hold 1 gallon(s) of liquid? (Note: 1 Gallon = 231 Cubic Inches)
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
Pi*r^2*h=231
21.9912r^2=231
27489r^2/1250=231
r^2=1250/119
r=25*sqrt2/119 or r=-25*sqrt2/119
Toss away the negative and you have:
r=25*sqrt2/119
r=3.24