document.write( "Question 268665: Please help me solve this story problem:
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document.write( " Tammy earned a total of $210 over 3 days. Each day she earned twice as much as she did on the previous day. How much did she earn on each of the 3 days?
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document.write( " I tried dividing by three and finding a number to double but came out wrong, and I don't want the last day to earn $210, I'm stuck! Thank you \n" );
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Algebra.Com's Answer #196865 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Tammy earned a total of $210 over 3 days. \n" ); document.write( "Each day she earned twice as much as she did on the previous day. \n" ); document.write( "How much did she earn on each of the 3 days? \n" ); document.write( "------------------------ \n" ); document.write( "Let \"x\" be amount earned on day one \n" ); document.write( "2x is the amount earned on day two \n" ); document.write( "4x is amount earned on day three \n" ); document.write( "---------------------------------- \n" ); document.write( "Equation: \n" ); document.write( "x + 2x + 4x = 210 \n" ); document.write( "7x = 210 \n" ); document.write( "x = 30 (1st day \n" ); document.write( "2x = 60 (2nd day \n" ); document.write( "6x = 120 (3rd day \n" ); document.write( "----------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I tried dividing by three and finding a number to double but came out wrong, and I don't want the last day to earn $210, I'm stuck! \n" ); document.write( " |