Answer:
90000=1000x
90 days
Step-by-step explanation:
90000=8800x-7800x
90000=1000x
 
        
             
        
        
        
Answer: £2520
Step-by-step explanation:
You have $4000 to convert to British pounds (?). 4,000*.63=2,520. 
 
        
             
        
        
        
What do you mean by this?
        
             
        
        
        
You need to isolate/get x by itself in the inequality:
x - 10 < 6 - 5x           Add 5x on both sides
x + 5x - 10 < 6 - 5x + 5x
6x - 10 < 6              Add 10 on both sides
6x - 10 + 10 < 6 + 10
6x < 16          Divide 6 on both sides to get x by itself
 Simplify the fraction
     Simplify the fraction
 So the 1st option
          So the 1st option