Answer:
x = c(a + b)
Step-by-step explanation:
Please give me brainliest.
 
        
             
        
        
        
Answer:  6 days
Step-by-step explanation:
take 22 off of the final price 46-22=24 
now divid 24 by 4
and u have 6
 
        
             
        
        
        
Answer:
x=10 
Step-by-step explanation:
Lets use a ratio.
3:2 (12 to 8)
We need to scale the x+4 up 3/2 to be equal to 2x+1
(3/2) x+4 = 2x+1
1.5x+6=2x+1
-1.5x    -1.5x
6=0.5x+1
-1          -1
0.5x=5
x=10 
 
        
             
        
        
        
Answer:
30.31%
Step-by-step explanation:
Mark up on selling price is given by markup*100%/selling price 
In this case, markup is given as $870 while the selling price is $2870 hence the percentage of narkup to selling price will be given by 
Therefore, the percentage of markup to selling price is approximately 30.31%