document.write( "Question 1066161: How many 2-digit numbers are there in which the sum of its digits drop to its previous half when you add a four to it. \n" ); document.write( "
Algebra.Com's Answer #681318 by ikleyn(52908) You can put this solution on YOUR website! . \n" ); document.write( "What is \"its previous half\" ???\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Who is the author/the source of this post ???\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------- \n" ); document.write( "Comment from student: Sorry, it's not \"previous half\" it's actually just \"its half\" \n" ); document.write( "This is the full question; How many 2-digit numbers are there in which the sum of its digits drop to its half when you add a four to it. \n" ); document.write( "-------------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My response: Slightly better, but still is not clear.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "When do you add 4 to it: before calculating the sum of the digits or after it???\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I do not believe that such dirty formulation can come from the textbook or from the teacher assignment.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Again: Who is the author/the source of this post ???\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------- \n" ); document.write( "Comment from student: How many 2-digit numbers are there in which the sum of its digits drop to its half when you add a four to the number. \n" ); document.write( "Found it in a math olympiad book \n" ); document.write( "-------------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My diagnosis. Fantastically dirty formulation for the math problem and disgrace for the book, for its author, for the editor and/or for the translator.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My advice: forget about this problem.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " WHO IS THE AUTHOR?\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |