A lawn is rectangular and measures 36 m by 27 m. If one bag of fertiliser covers 360 m², how many bags must be purchased ?

Dear Student,

Please find below the solution to the asked query :
$$\begin{gathered} \mathrm{Area} \mathrm{of} \mathrm{lawn} = 36\times 27 {\mathrm{m}}^2 \\ \mathrm{Now} \mathrm{one} \mathrm{bag} \mathrm{covers} \mathrm{area} = 360 \mathrm{m}{ }^2 \\ \mathrm{So} \mathrm{Number} \mathrm{of} \mathrm{bags} = \frac{36\times 27}{360}= 2.7 \\ \mathrm{So} 3 \mathrm{bag} \mathrm{must} \mathrm{be} \mathrm{purchased}. \end{gathered}$$

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