Question

Theo has one piece of train track that is 74 millimeters long and a second piece of train track that is 97 millimeters long.

How many meters of track does Theo have in all?


0.171 m

1.71 m

17.1 m

171 m

Answer 1

A: 0.171 m, because 1 meter is 1,000 mm, and there is only 171 mm total.