How did you go?  You didn't get  confused about which index to read?  Excellent, so you got the answer of 4!

As you would have noticed it was the right index you had to read the answer from this time, good old C10.  If you didn't quite get it, check the explanation below.

Our steps to do the division ...

1. Line up 8 on the D scale with 4 on the C scale.
2. See which C index is still on scale and read the answer, 2 from the D scale.

When you're finished, click here to return to the lesson, we have a bit more to do.