Two mechanical shafts are joined together, end-to-end. Their combined length is 12.22 inches. If one of the shafts is 7.49 inches long, how long is the other shaft?

Question

Quizplus · Accepted Answer

The length of the other shaft can be found by subtracting the length of the first shaft from the combined length of both shafts:
length of other shaft = combined length - length of first shaft
length of other shaft = 12.22 in. - 7.49 in.
length of other shaft = 4.73 in.

Two Mechanical Shafts Are Joined Together, End-To-End