Cubic units

A rectangular prism with a volume of 10 cubic units is filled with cubes with side lengths of 1/2 unit. How many 1/2 unit cubes does it take to fill the prism?

Correct answer:

n =  80

Step-by-step explanation:

V=10 a=1/2=21=0.5 V1=a3=0.53=81=0.125  n=V/V1=10/0.125=80

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