###### Exercise 98

A \(2\times4\) piece of lumber in your garage is \({39 {\textstyle\frac{3}{4}}}\) inches long. A second \(2\times4\) is \({31 {\textstyle\frac{3}{4}}}\) inches long. If you lay them end to end, what will the total length be?

The total length will be inches.