Sets using Venn Diagram

Look @ this video

Exercise for sets

A survey of 300 first-year students at a large University was conducted to aid in scheduling for the following year. Responses indicate that 194 were taking a Math class, 210 were taking an English class, and 170 were taking a Speech course. In addition, 142 were taking both Math and English, 111 were taking both English and Speech, 91 were taking both Math and Speech, and 45 were taking all three.
Draw a venn diagram to represent these results

1. How many only take Math?
2. How many take English or Speech?
3. What is the probability of choosing a student who only English?

Answer on a sparate sheet of paper.
Deadline
6A (March 10th)