###### Exercise69

A $$2\times4$$ piece of lumber in your garage is $${42 {\textstyle\frac{1}{8}}}$$ inches long. A second $$2\times4$$ is $${68 {\textstyle\frac{1}{4}}}$$ inches long. If you lay them end to end, what will the total length be?

The total length will be inches.

in-context