Y=-5X which is the equation you use to figure out the answer
        
             
        
        
        
The answer is 5 I’m not sure if this is correct 
        
             
        
        
        
Answer:
0.4
Step-by-step explanation:
Given 
60 % wear neither ring nor a necklace 
20 % wear a ring
30 % wear necklace
This question can be Solved by using Venn diagram
If one person is choosen randomly  among the given student the probability that this student is wearing a ring or necklace is 


The sum of probabilty is equal to 1 because it completes the set
Therefore the required probabilty is 0.4
 
        
             
        
        
        
Answer:
x=7
Step-by-step explanation:
3(x+2) = 6x-15. 
3x+6 = 6x-15
3x = 6x-21
-3x = -21
x = 7
 
        
             
        
        
        
Answer:
720$
Step-by-step explanation:
(1000+(230*24))-5800=720