document.write( "Question 363553: The admission fee at an amusement park is 1.5 dollars for children 4 dollars for adults. On a certain day 315 people entered the park, and the admission fees collected 810 dollars. How many children and how many adults were admitted? \n" ); document.write( "
Algebra.Com's Answer #259341 by checkley77(12844)\"\" \"About 
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A+C=315 OR A=315-C
\n" ); document.write( "4A+1.5C=810
\n" ); document.write( "4(315-C)+1.5C=810
\n" ); document.write( "1,260-4C+1.5C=810
\n" ); document.write( "-2.5C=810-1,260
\n" ); document.write( "-2.5C=-450
\n" ); document.write( "C=-450/-2.5
\n" ); document.write( "C=180 CHILDREN TICKETS WERE SOLD.
\n" ); document.write( "315-180=135 ADULT TICKETS WERE SOLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "4*135+1.5*180=810
\n" ); document.write( "540+270=810
\n" ); document.write( "810=810
\n" ); document.write( "
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