SOLUTION: How many milliliters of 22% acid are mixed with 23 milliliters of 5% acid to produce a mixture that is 10% acid? Round to the nearest whole number.
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Question 759123:  How many milliliters of 22% acid are mixed with 23 milliliters of 5% acid to produce a mixture that is 10% acid? Round to the nearest whole number. 
Answer by josgarithmetic(39630)   (Show Source): You can put this solution on YOUR website!
 How many milliliters, v,  of H% acid are mixed with U milliliters of L% acid to produce a mixture that is T% acid? Round to the nearest whole number.
Some requirement of order in those variables is .
 and .
The only unknown variable is v.  Solve the system for v.  Actually, only one equation is needed.  The material sum equation for M can be used directly giving:
As directed, solve for v. 
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