2x+10           x + 3
------------ = --------------
     10                 4
4(2x+10) = 10(x+3)
8x + 40 = 10x + 30
2x = 10
  x = 5
AE =2x+10 = 2(5) +10 = 20
answer
20 units
        
                    
             
        
        
        
Answer:
$100
Step-by-step explanation:
It appears that each gift card costs $20, so 5 of them would be $20 * 5 gift cards = $100
 
        
                    
             
        
        
        
It is given in the question that 
Ben has a collection of 812 stamps. He gives his brother 345 stamps. 
And we have to find how many stamps does Ben have left .
Let x stamps are left.
So we have

Subtracting 345 from both sides


Therefore after giving 345 stamps to his brother, 467 stamps are left .
 
        
             
        
        
        
Answer:
Interest would be $15 every 3 years
Step-by-step explanation:
Interest = Principal x Rate x Time
Interest = 100 x 5% x 3
Interest = 5 x 3
Interest = 15