document.write( "Question 339906: It takes a girl 45 minutes to deliver the newspapers on her route; however, if her brother helps, it takes them only 20 minutes. How long would it take her brother to deliver the newspapers by himself? \n" ); document.write( "
Algebra.Com's Answer #243559 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint: Solve the equation \"1%2F45%2B1%2Ft=1%2F20\" to find the time it takes for him to do it by himself.\r
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