[tex]V=7,000\ yd^3\ \ \ and\ \ \ V=30\ yd\ \cdot64\ yd\ \cdot x\\ \\30\cdot64\cdot x=7,000\ /:(30\cdot64)\\ \\x= \frac{7\cdot25\cdot4\cdot10}{3\cdot10\cdot16\cdot4} \\ \\x= \frac{7\cdot25}{3\cdot16} \\ \\x= \frac{175}{48}\ [yd] \ \ \ and\ \ \ 1\ yd=36\ in\\ \\\frac{175}{48}\ yd =\frac{175}{48}\cdot 36\ in= \frac{175\cdot3}{4}\ in=131.25\ in[/tex]