What would you use to measure the length of a classroom'is it a meter ruler or a 30cm ruler?

You could use either, it's just a little more work with the 30 cm ruler, but the result will be the same.

You could use either, it's just a little more work with the 30 cm ruler, but the result will be the same.

You could use either, it's just a little more work with the 30 cm ruler, but the result will be the same.