Gemma needs to complete her required reading for today she has 30 pages to read on average Gemma reads 10 pages in 6 minutes how long will it take her to read the 30 pages? 18,20,50

If Gemma reads 10 pages in 6 minutes, then she reads 1 page in 6/10 or 0.6 minutes.

To read 30 pages, Gemma will take 0.6 * 30 = <<0.6*30=18>>18 minutes. Answer: \boxed{18}.