Answer:
47
Step-by-step explanation:
$460 + $90 = $550
4 x $20 = $80
$550 - $80 = $470
$470/10 = 47
they have to wash 47 cars
 
        
             
        
        
        
15/100*x=39
x=39*100/15
x= 260 is the total number of people who were asked
        
                    
             
        
        
        
Step-by-step explanation:
x = -2 
x = -8 
please follow me
 
        
             
        
        
        
Answer:
x>2 or x<-10
Step-by-step explanation:
9|x +4|>54
Divide each side by 9
9/9|x +4|>54/9
|x +4|>6
There are two solutions, one positive and one negative
x+4 >6  or x+4 < -6
Subtract 4 from each side
x+4-4 >6-4   or x+4-4 < -6-4
x>2 or x<-10
 
        
             
        
        
        
Answer:
10
Step-by-step explanation:
 Those people who are actively seeking for a job are counted as unemployed. Underemployment is not considered as unemployment. Those who have given up looking for jobs are also not considered as unemployed as well. Hence there are 10 unemployed people.