document.write( "Question 40624: please help
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document.write( "How many arrangements of the letters in the word OLIVE can you make if each arrangement must use three letters?
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document.write( "please explain the answer
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document.write( "A)20
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document.write( "b)60
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document.write( "c)8*7*6*5*4*3*2*1 \n" );
document.write( "
Algebra.Com's Answer #26034 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Lay out all possible 1st letters in the 3-letter word \n" ); document.write( "O \n" ); document.write( "L \n" ); document.write( "I \n" ); document.write( "V \n" ); document.write( "E \n" ); document.write( "What are the choices for the 2nd letter in each case? \n" ); document.write( "O and any one of the remaining 4 letters L,I,V,or E \n" ); document.write( "L and any one of the remaining 4 letters O,I,V,or E \n" ); document.write( "I and any one of the remaining 4 letters O,L,V,or E \n" ); document.write( "V and any one of the remaining 4 letters O,L,I,or E \n" ); document.write( "E and any one of the remaining 4 letters O,L,I,or V \n" ); document.write( "So, for each of 5 possible 1st letters, ther are 4 possible \n" ); document.write( "2nd letters. That makes 5 x 4 = 20 possibilities so far \n" ); document.write( "Now include the possibilities for the 3rd letter \n" ); document.write( "O AND any one of the remaining 4 letters L,I,V,or E AND one of 3 letters left \n" ); document.write( "L AND any one of the remaining 4 letters O,I,V,or E AND one of 3 letters left \n" ); document.write( "I AND any one of the remaining 4 letters O,L,V,or E AND one of 3 letters left \n" ); document.write( "V AND any one of the remaining 4 letters O,L,I,or E AND one of 3 letters left \n" ); document.write( "E AND any one of the remaining 4 letters O,L,I,or V AND one of 3 letters left \n" ); document.write( "For each of the 4 2nd letters on each line, there are 3 possible \n" ); document.write( "3rd letters \n" ); document.write( "O AND 4 X 3 possible 2nd and 3rd letters \n" ); document.write( "L AND 4 x 3 possible 2nd and 3rd letters \n" ); document.write( "I AND 4 X 3 possible 2nd and 3rd letters \n" ); document.write( "V AND 4 x 3 possible 2nd and 3rd letters \n" ); document.write( "E AND 4 x 3 possible 2nd and 3rd letters \n" ); document.write( "The toal is 5 x 4 x 3 = 60 possible 3 letter words from olive \n" ); document.write( " |