[tex]Area\ of\ a\ rectangle; \\ \\ A=lw \\ \\ ------------------------------- \\ \\ l\to\ 35\ m. \\ Area\to120m^{2} \\ \\ w=?\ (unknown) \\ \\ ------------------------------- \\ \\ Equation; \\ \\ Area=lw \\ \\ 120=35w\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |Substitute \\ \\ \frac{120}{35}=\frac{35w}{35} \ \ \ \ \ \ \ \ \ \ \ \ \ \ |Divide\ both\ sides\ by\ 35 \\ \\ \\ \boxed{\boxed{ \frac{24}{7}\ m.\ or\ 3 \frac{3}{7}\ m. }} \\ \\ \\ Hope\ it\ Helps:) \\ Domini[/tex]
