Answer:
158 is greater than 150
For #1 :
Student B can type 8 more words per minute than student A
For #2 :
You divide the last y value by the last x value : 700/5
700/5=140
For # 3 :
1. Student B - 158 words per minute
2. Student A - 150 words per minute
3. Student C - 140 words per minute
