Problem
(1) Jaden rides his go-kart around the track for 5 minutes and completes 40 laps. He wants to know how many laps he can complete when riding for 12 and 18 minutes if he keeps the same rate. (1)) How many laps does Jaden complete in 1 minute? Find the unit rate. \begin{tabular}{|c|c|c|} \hline Laps & & 40 \\ \hline Time \( (\min ) \) & 1 & 5 \\ \hline \end{tabular}
Solution
Step 1 ：\frac{40}{5}= 8
Step 2 ：8 \times 12 = 96
Step 3 ：8 \times 18 = 144
