document.write( "Question 752954: A certain drug is made from only two ingredients: compound A and compound B. There are 7 milliliters of compound A used for every 4 milliliters of compound B. If a chemist wants to make 627 milliliters of the drug, how many milliliters of compound A are needed?
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Algebra.Com's Answer #458141 by Cromlix(4381)\"\" \"About 
You can put this solution on YOUR website!
This is a ratio question.
\n" ); document.write( "7 ml of Cmpd A: 4 ml of Cmpd B
\n" ); document.write( "Add 7 + 4 = 11
\n" ); document.write( "So 7/11 of 627 ml will be Cmpd A
\n" ); document.write( "= 399 ml of Cmpd A.
\n" ); document.write( "Hope this helps
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