<h3>
or 2.5 cubes are needed to fill the rectangular prism</h3>
<em><u>Solution:</u></em>
<em><u>A rectangular prism has:</u></em>
Length = 8 inches
width = 4 inches
height = 214 inches
<em><u>Find the volume of rectangular prism </u></em>
<em><u>Find the volume of cube:</u></em>
Where, "a" is the length of side of cube
a = 14 inches
<em><u>How many cubes are needed to fill the rectangular prism?</u></em>
Thus, cubes are needed to fill the rectangular prism