Answer:
The Answers A.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
d
Step-by-step explanation:
so at 5 hours he  was at a profit of 900 and 5 hours later he is at a profit 1500 then you can sub tract 900 from 1500 which gives you 600
 
        
             
        
        
        
Total 6  points 1-6
that is my understanding wait for wat other rply
 
        
        
        
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Given parameters: 
Cost per pound of Arabica coffee  = $28 per pound
Cost of Robusta coffee = $8.75
Given number of pounds of Robusta Coffee = 3 pounds
Total cost of blend per pound = $15.50 
Unknown: 
Number of pounds of Arabica coffee  = ? 
Solution: 
Let the number of pounds of Arabica coffee  = A; 
   We have to interpret this problem algebraically and solve; 
   28A + 8.75(3) = 15.5(A + 3)
Now solve the expression above for A; 
        28A + 26.25 = 15.5A + 46.5
        28A - 15.5A  = 46.5 - 26.25
           12.5A = 20.25 
                  A  = 1.62
Number of pounds of Arabica Coffee is 1.62 pound