document.write( "Question 384208: Translate to an equation:\r
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document.write( "h $100 bills and t $20 bills total $400\r
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document.write( "Graph the equation and use the graph to determine three different combinations of $100 bills and $20 bills that total $400. \r
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document.write( "(I have no idea how to do this please help me) \n" );
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Algebra.Com's Answer #271976 by texttutoring(324)![]() ![]() You can put this solution on YOUR website! Let h = number of hundred dollar bills \n" ); document.write( "Let t = number of twenty dollar bills\r \n" ); document.write( "\n" ); document.write( "the equation is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "100h + 20t = 400\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Image that h is like the y-variable, and t is like the x-variable.\r \n" ); document.write( "\n" ); document.write( "The graph would look like this: http://www.wolframalpha.com/input/?i=100y+%2B+20x+%3D+400 \n" ); document.write( "(copy this link into your web browser)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Try plotting this graph yourself on graph paper, and you should see a variety of combinations that are possible. Anything that falls on the line is possible.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "For instance, if h=3, then t=5.\r \n" ); document.write( "\n" ); document.write( "This makes sense because 100(3) + 20(5) = 400\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Another possibility is if h=2, then t=10.\r \n" ); document.write( "\n" ); document.write( "100(2) + 20(10) = 400\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I will leave it up to you to find the last combination. Hint... keep going down the line as I've done. \n" ); document.write( " \n" ); document.write( " |