Answer:
9
Step-by-step explanation:
H=1/2 * B
N=H-5= 1/2 * B-5
B+H+N= B+(1/2 *B) + (1/2 *B-5)=31
2B-5=31
B=18
H=1/2 *B=9
 
        
             
        
        
        
Answer:
$23.41
Step-by-step explanation:
Add the cost of each item together. 
$9.95 + $13.46 = $23.41
And there may have been sales tax as well but this information was not provided so it is not needed in the answer.
 
        
             
        
        
        
Since 15 workers did 8 hours of work, the total amount of work needed is 120 hours. Half of this job would be 60 hours. Then divide this amount by the 5 workers doing the job. This would make the job 12 hours
        
                    
             
        
        
        
Answer:
you dint put up the pictures so not sure
Step-by-step explanation: