X/5 = 24/8 
  (because the triangles are similar)
x/5 = 3
x = 5*3 = 15 Answer
a/27 = 8/24 = 1/3 
a =  9  Answer
        
                    
             
        
        
        
Answer:
area = 94.2 min²
Step-by-step explanation:
area = 30 x 3.14 = 94.2 in²
 
        
             
        
        
        
Answer:
3 and 9
Step-by-step explanation:
3 * 24 = 72
9 * 8 = 72
3 * 15 = 45
9 * 5 = 45
  
        
                    
             
        
        
        
6%(5) = .30  6%
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Answer:
Volume injected  = 1.65 ml
Step-by-step explanation:
mass of Demerol =45 mg.
density of pre-filled in syringe = 50 mg/ml
Volume = 45/50 = 0.9 ml
For atropine mass = 0.3 mg
density= 400 mcg/ml     [ Note : 1 mcg = 0.001 mg]
volume filled  = 0.3/400(0.001) = 0.75 ml
So, the total volume filled = 0.75+0.9 = 1.65 ml