document.write( "Question 952219: Sandra and michael both work at a restaruant as servers. Sandra is able to service 5 tables of people per hour, while michael can service 4 tables per hour. If both had to serve 12 table of people how long would it take?
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Algebra.Com's Answer #581525 by stanbon(75887) ![]() You can put this solution on YOUR website! Sandra and michael both work at a restaruant as servers. Sandra is able to service 5 tables of people per hour, while michael can service 4 tables per hour. If both had to serve 12 table of people how long would it take? \n" ); document.write( " ---------------- \n" ); document.write( "Together rate:: 5+4 = 9 tables per hour \n" ); document.write( "------- \n" ); document.write( "time/tables = time/tables \n" ); document.write( "------------------------------ \n" ); document.write( "x/12 = 1/9 \n" ); document.write( "----- \n" ); document.write( "x = 12/9 = 1 1/3 hrs = 1hr 20 minutes \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------- \n" ); document.write( " |