Answer:
13200 seconds
Explanation:
Step 1: Find conversions
1 hour = 60 minutes
1 minute = 60 seconds
Step 2: Convert hours to minutes
[tex]3 \hspace{3} hours \hspace{3}(\frac{60 \hspace{3} minutes}{1 \hspace{3} hour} )[/tex] = 180 minutes
180 + 40 = 220 minutes
Step 3: Convert minutes to seconds
[tex]220 \hspace{3} minutes(\frac{60 \hspace{3} seconds}{1\hspace{3} minute} )[/tex] = 13200 seconds
