document.write( "Question 909789: A 1000 liter storage tank is to be filled with solvent from two pipes, A and B. solvent A is pumped at a rate of 25litres/min. Solvent B is pumped at a rate of 40 liters/min. How many additional minutes are required to fill up the storage tank, if pipe A is opened 4 minutes before pipe B? \n" ); document.write( "
Algebra.Com's Answer #552030 by josgarithmetic(39630)\"\" \"About 
You can put this solution on YOUR website!
You need to take a look and study this one, which is different in only one given value:\r
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