document.write( "Question 1098840: Please help me solve this equations\r
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document.write( "The circus is coming. Cindy is selling tickets. she sold 8 adults tickets and 5 children's tickets for a total of $177.50 in sales. The second day she received $255.00 for 12 adult tickets and 6 children tickets. What is the price of a child's ticket? What is the price of an adult ticket?\r
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document.write( "Write two algebraic equations that model this circus ticket scenario.
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document.write( "Show how you solved the problem by using elimination method, the substitution method, or the graphical method \n" );
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Algebra.Com's Answer #713238 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Cindy is selling tickets. she sold 8 adults tickets and 5 children's tickets for a total of $177.50 in sales. \n" ); document.write( " The second day she received $255.00 for 12 adult tickets and 6 children tickets. \n" ); document.write( " What is the price of a child's ticket? \n" ); document.write( " What is the price of an adult ticket? \n" ); document.write( ": \n" ); document.write( "let a = price of an adult ticket \n" ); document.write( "let c = price of a child's \n" ); document.write( ": \n" ); document.write( "Write an equation for each day \n" ); document.write( "8a + 5c = 177.50 \n" ); document.write( "12a + 6c = 255.0 \n" ); document.write( "Use the above equation for substitution \n" ); document.write( "12c + 6c = 255.0 \n" ); document.write( "6c = -12a + 255 \n" ); document.write( "Divide both sides by 6 \n" ); document.write( "c = -2a + 42.5 \n" ); document.write( ": \n" ); document.write( "In the first equation, replace c with (-2a+42.5) \n" ); document.write( "8a + 5(-2a+42.5) = 177.50 \n" ); document.write( "8a - 10a + 212.5 = 177.5 \n" ); document.write( "-2a = 177.5 - 212.5 \n" ); document.write( "-2a = -35 \n" ); document.write( "a = -35/-2 \n" ); document.write( "a = $17.50 is the cost of an adult ticket \n" ); document.write( "Find the child's ticket cost \n" ); document.write( "c = -2(17.5) + 42.5 \n" ); document.write( "c = -35 + 42.5 \n" ); document.write( "c = $7.50 is cost of a child's ticket \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Confirm this in the original 2nd equation \n" ); document.write( "12(17.5) + 6(7.5) = 255 \n" ); document.write( "210 + 45 = 255 \n" ); document.write( " |