Question

When cutting wood with a​ saw, a carpenter must take into account the thickness of the saw blade. Suppose that from a piece of wood 42 in.​ long, a carpenter cuts a 17 1/2 in. length with a saw blade that is 1/8 in. thick. How long is the piece that​ remains?

Answer 1

24 3/8 in.

Explanation:

The amount that remains is the original amount less the cut off length and the width of the saw:

42 in - 17 1/2 in - 1/8 in = 24 3/8 in . . . remaining