document.write( "Question 270719: The admission fee for Knoebels amusement park is $5 for children and $9 for adults. On a certain day, 450 people enter the park and the admission fees collected totaled $3,050. How many children and how many adults were admitted?\r
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document.write( "(Here's what I tried):
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document.write( "Variables:
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document.write( "c= Child admission
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document.write( "a= Adult admission\r
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document.write( "c+a=450
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document.write( "$5c+$9a=$3,050
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document.write( "changed c+a=450 to c=450-a
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document.write( "substitution:
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document.write( "$5(450-a)+$9a=$3,050\r
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document.write( "Not sure if my equations are right. Based off of how I solved a similiar problem. And I don't know how to simplify from there.
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document.write( "Could you please tell me if I'm on the right track and if so, how to solve from where I stopped? \n" );
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Algebra.Com's Answer #198257 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! Great progress so far:\r \n" ); document.write( "\n" ); document.write( "c= Child admission \n" ); document.write( "a= Adult admission \n" ); document.write( "c+a=450 \n" ); document.write( "$5c+$9a=$3,050 \n" ); document.write( "changed c+a=450 to c=450-a \n" ); document.write( "substitution: \n" ); document.write( "$5(450-a)+$9a=$3,050 \n" ); document.write( "Not sure if my equations are right. Based off of how I solved a similiar problem. And I don't know how to simplify from there. \n" ); document.write( "Could you please tell me if I'm on the right track and if so, how to solve from where I stopped?\r \n" ); document.write( "\n" ); document.write( "So starting from where you left off:\r \n" ); document.write( "\n" ); document.write( "5(450-a) + 9a = 3050\r \n" ); document.write( "\n" ); document.write( "2250 - 5a + 9a = 3050 \n" ); document.write( "9a - 5a = 3050 - 2250 \n" ); document.write( "4a = 800 \n" ); document.write( "a = 200\r \n" ); document.write( "\n" ); document.write( "c = 450 - a \n" ); document.write( "c = 450 - 200 \n" ); document.write( "c = 250 \n" ); document.write( " \n" ); document.write( " |