A) 0.50
B)0.70
C)0.75
D)0.25 
Please help 
                                             
                                          
                                          
                                        
											 
											Answer:
D) 0.25
Step-by-step explanation:
1. Number of people with ≤ 1 responses: 20 + 30 = 50
2. Total number of people: 200
3. # of wanted result/# of total result: 50/200 = 0.25