Answer the following by giving what is ask ?
1. Devy has 20 pens. 60% of them are blue pens and the remaining are black pens. How many black pens does Devy have?

2. Johana arrived late for a movie and missed 25% of it. The movie is 90 minutes long. How many minutes of the move did she see?

3. 90% of the 300 dentists surveyed recommended sugarless gum for their patients who chew gum. How many dentists did not recommend sugarless gum?

4. 18% of the 250 apples in a basket are red and the remaining are green. How many green apples are there in the basket?

5. Mae has finished typing 2000 words of a 5000-word report. What percent of the report is not typed?