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Sean has 12 cylindrical containers filled with sand, each of which has a radius of 4 centimeters. He wants to transfer his sand into some new cylindrical containers, which are the same height but have a radius of 6 centimeters. How many new containers will Sean need?

 Jan 6, 2022
 #1
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Cylinder volume    pi r^2 h

 

12 * pi r12  h  /  (pi r2h)  = # of larger needed         

 

12 (4)^2 / ( (6^2)   = 5 1/3 =~ 6 cylinders  of 6 cm

 Jan 6, 2022

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