document.write( "Question 276489: Please help me solve this problem
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document.write( "A Family composed of a father a mother and 3 kids are to be arranged in a row to have their picture taken.
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document.write( " a) In how many ways can this be done?
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document.write( " b) In how many ways can this be done if the father is to be on one end of the picture and the mother on the other?
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Algebra.Com's Answer #201478 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A Family composed of a father a mother and 3 kids are to be arranged in a row to have their picture taken. \n" ); document.write( "a) In how many ways can this be done? \n" ); document.write( "Ans: 5P5 = 5!/(5-5)! = 5!/0! = 5! = 120 \n" ); document.write( "----------------------------------------------------- \n" ); document.write( "b) In how many ways can this be done if the father is to be on one end of the picture and the mother on the other? \n" ); document.write( "Arrange father and mother: 2 ways \n" ); document.write( "Arrange the three children: 3! = 6 \n" ); document.write( "--------------- \n" ); document.write( "Total arrangements = 2*6 = 12 \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |