()) Isaiah takes 25 hours to treat 75 lawns with organic fertilizer at a housing complex. The lawns in the complex are the same size.
(1) At this rate, how many hours will it take Isaiah to treat 9 lawns that are about the same size? Complete the table.
\begin{tabular}{|l|c|c|}
\hline & + \\
\hline Lawns & 75 & 9 \\
\hline Time (h) & 25 \\
\hline
\end{tabular}

Answer

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Answer

\text{Reduce the expression:} \frac{25}{75}\times 9 \Rightarrow \frac{1}{3}\times 9 \Rightarrow 3

Steps

Step 1 ：\text{Find the rate per lawn:} \frac{25}{75}

Step 2 ：\text{Calculate time for 9 lawns:} \frac{25}{75}\times 9

Step 3 ：\text{Reduce the expression:} \frac{25}{75}\times 9 \Rightarrow \frac{1}{3}\times 9 \Rightarrow 3