document.write( "Question 105575: I am trying to work from a page called Mathmagical Potions page #7 (1992) Donald M. Peck & The Wild Goose Company). It is called Hotter or Colder. It is using a time line that looks like a thermometer using #H above 0 and #C below zero. (4H 3H 2H 1H 0 1C 2C 3C etc.) Here is the problem 31C - 49C =__H \n" ); document.write( "

Algebra.Com's Answer #76837 by MathLover1(20855) $\"\"$ $\"About$

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ans.:\r
\n" ); document.write( "\n" ); document.write( " $\"31C+-+49C+=18+H\"$ \r
\n" ); document.write( "\n" ); document.write( "to understand it, you just make number line where $\"C\"$ represents negative numbers and $\"H\"$ represents positive numbers:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"-31\"$ , $\"-30\"$ , $\"-29\"$ $\"......\"$ $\"-1\"$ , $\"+0\"$ , $\"1\"$ , $\".....\"$ $\"17\"$ , $\"18\"$ , $\"19\"$ .....\r
\n" ); document.write( "\n" ); document.write( "if you go from $\"-31\"$ to the right $\"49\"$ units, you will end at the position of the number $\"18\"$ \n" ); document.write( "

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