11. (3 points) On Monday, Xiao Qiang set off from home to go to school. He walks 60 meters per minute, and after 5 minutes, he realized he had left his Chinese book on the table at home. At this point, he still had 700 meters to go to reach the school. So he hurried back home at a speed of 100 meters per minute, picked up the book, and then immediately rushed back to school at a speed of 100 meters per minute. The distance between the school and Xiao Qiang's home is $\qquad$ meters. Xiao Qiang walked for at least $\qquad$ minutes this day.
【Solution】Solution: (1) $60 \times 5+700$,
$$
\begin{array}{l}
=300+700, \\
=1000 \text { (meters); }
\end{array}
$$
$$
\begin{array}{l} 
\text { (2) }(60 \times 5 \times 2+700) \div 100+5, \\
= 1300 \div 100+5, \\
= 13+5, \\
= 18 \text { (minutes); }
\end{array}
$$

Answer: The distance between the school and Xiao Qiang's home is 1000 meters. Xiao Qiang walked at least 18 minutes that day. Therefore, the answers are: 1000, 18.