



 
Hi,, 12.5 mg has a volume of 5 ml so 12 mg will have a volume of slightly less than 5 ml. but how do you find the volume exactly? 12.5 mg has a volume of 5 ml so 1 mg has a volume of $\large \frac{5}{12.5} \normalsize = 0.4 $ ml. Thus 12 mg will have a volume of $0.4 \times 12 = 4.8$ ml. Penny  


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