First Estimate the Answer $15 \frac{1}{4}$ -Foot $\log$ And Cuts Off Two Pieces

Short Answer

First estimate the answer. Then solve each application problem.
-Tonya takes a $15 \frac{1}{4}$ -foot $\log$ and cuts off two pieces. If one piece is $3 \frac{1}{2}$ feet long and the other is $2 \frac{3}{4}$ feet long, how long is the remaining piece?