99.0k views
4 votes
If a piece of sea-floor has moved 50km in 5 million years, what is the yearly rate of sear-floor motion?

2 Answers

6 votes
10 k million per year
User Mgc
by
8.3k points
6 votes
0.00001. Divide 50 by 5,000,000. It's a proportion
User Tristan Tao
by
8.0k points