document.write( "Question 1117622: What is the number of 3 digit numbers, with repeats, that are multiples of 5 and less than
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document.write( "600 that can be formed from the digits 1, 3, 5, 7, and 9? \n" );
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Algebra.Com's Answer #732751 by greenestamps(13198)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Note the other tutor counted some numbers that are 2 digits instead of 3.... \n" ); document.write( "(1) There is only one choice (5) for the 3rd digit, since it must be divisible by 5. \n" ); document.write( "(2) There are only 3 choices (1, 3, 5) for the first digit, since the number must be less than 600. \n" ); document.write( "(3) The middle digit can be any of the 5 given digits. \n" ); document.write( "So the number of 3-digit numbers less than 600 that are multiples of 5 is \n" ); document.write( "(1)*(3)*(5) = 15 \n" ); document.write( " |