In a certain village

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In a certain village

by sanju09 » Fri Jul 23, 2010 6:27 am
In a certain village, m liters of water are required per household per month. At this rate, if there are n households in the village, how long (in months) will p liters of water last?
A. p /mn
B. mn / p
C. mp / n
D. np / m
E. npm

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by selango » Fri Jul 23, 2010 6:31 am
1 month=nm liters

x months=p liters

x=p/nm

Pick A
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