<span>3n + 4 = 7
</span><span>3n = 7 - 4
3n = 3
n = 1</span>
        
                    
             
        
        
        
Try this option:
1] P(S)=0.84;
2] P(S or C, but not both)=0.4;
3] P(C)=0.76;
4] P(S∪C)=0.6;
5] P(C, but not S)=0.16;
6] P(S∩C)=1.00.
 
        
                    
             
        
        
        
2400miles/60hours
40miles/hour
Answer is D
        
                    
             
        
        
        
Answer:
3.7
Step-by-step explanation:
Really just divide and then round it to only one number on the right of the decimal(use a calculator)