The volume of the pyramid is 105 cm^3, using the equation we have:
[tex]105cm^3=\frac{7\cdot15\cdot w}{3}cm^3[/tex][tex]105^{}=\frac{7\cdot15\cdot w}{3}[/tex][tex]105^{}=\frac{105\cdot w}{3}[/tex][tex]105\cdot3^{}=105\cdot w[/tex][tex]3=w[/tex]
The value of w is 3 cm.
