Given:
Distance Pieter sailed = 1260 yards
Time taken to sail = 30 minutes
Let's solve for the average number of yards he traveled per minute.
To find the average number of yards he traveled per minute, apply the formula:
![\begin{gathered} A=\frac{\text{distance in yards}}{time\text{ in minute}} \\ \\ A=(1260)/(30)\frac{\text{yards}}{\text{minutes}} \\ \\ A=42\text{ yards per minute} \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/reow4zzufg4mpyin7pd26ukcir9hkjxc6y.png)
Therefore, the average number of yards he traveled per minute is 42 yards per minute.
ANSWER:
C. 42