document.write( "Question 296197: To enter a very private garden you need to go through four doors. At each door you must pay an entry fee. If you pay $x at a given door, then you must pay $(2x + 1) at the next door. If it costs a total of $86 to get through the four doors, how much did you pay to get through the first door?
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Algebra.Com's Answer #213487 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! To enter a very private garden you need to go through four doors. At each door you must pay an entry fee. If you pay $x at a given door, then you must pay $(2x + 1) at the next door. If it costs a total of $86 to get through the four doors, how much did you pay to get through the first door? \n" ); document.write( "--------------- \n" ); document.write( "1st: x \n" ); document.write( "2nd: 2x+1 \n" ); document.write( "3rd: 2(2x+1)+1 = 4x+3 \n" ); document.write( "4th: 2(4x+3)+1 = 8x+7 \n" ); document.write( "---------------------------- \n" ); document.write( "Solve: x + 2x+1 + 4x+3 + 8x+7 = 86 \n" ); document.write( "15x + 11 = 86 \n" ); document.write( "15x = 75 \n" ); document.write( "x = $5 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |