document.write( "Question 860945: Pump A can fill a tank in 5 minutes while pump B can fill a tank in 10 minutes. How long will it take to fill the tank if both are working together?\r
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Algebra.Com's Answer #518740 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi,
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document.write( "Let x represent time together
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document.write( "Use fill per min as equalizer: 
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document.write( " \"1%2F5+%2B+1%2F10+=+1%2Fx+\"     |Multiplying thru by 10x so as all denominators = 1 
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document.write( " 2x + x = 10
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document.write( "    3x = 10min
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document.write( "     x = 10/3   0r    3  1⁄3 min 
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