A right rectangular prism has these dimensions:

Length − Fraction 1 and 1 over 4 units
Width − Fraction 5 over 8 unit
Height − Fraction 3 over 4 unit

How many unit cubes of side length Fraction 1 over 8 unit are required to pack the prism without any gap or overlap?

60
75
150
300

Question

A right rectangular prism has these dimensions:

Length − Fraction 1 and 1 over 4 units
Width − Fraction 5 over 8 unit
Height − Fraction 3 over 4 unit

How many unit cubes of side length Fraction 1 over 8 unit are required to pack the prism without any gap or overlap?

 60
 75
 150
 300

popitree · Answer

total volume: (5/4)*(5/8)*(3/4)
volume of unit cube:1/8*1/8*1/8
now divide to get the total no of cubes