document.write( "Question 1173434: student was asked to form two-digit numbers using the following digits: 0,1,2,3,4,5,6,7,
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Algebra.Com's Answer #798693 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "9 numbers:  0,1,2,3,4,5,6,7,8
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document.write( "How many of these are less than 40?
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document.write( " tens digit: 3 allowed (1,2,3)
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document.write( " ones digit: 9  allowed
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document.write( "  3x9 = 27 two-digit numbers  less than 40
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document.write( "Repeating not allowed: 11,22,33
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document.write( " 27 - 3 = 24  two-digit numbers less than 40, Repeating not allowed \n" );
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