document.write( "Question 277652: 8000 people attended a concert, ticket sales were $8 for adults and $4 for children. Total ticket sales was $52,000. How many adults and how many children attended. But show the work/formula. \n" ); document.write( "
Algebra.Com's Answer #202114 by stanbon(75887) ![]() You can put this solution on YOUR website! 8000 people attended a concert, ticket sales were $8 for adults and $4 for children. Total ticket sales was $52,000. How many adults and how many children attended. But show the work/formula. \n" ); document.write( "------------------ \n" ); document.write( "Equations: \n" ); document.write( "Quantity Equation: a + c = 8000 \n" ); document.write( "Value Equation::: 8a + 4c=52000 dollars \n" ); document.write( "----------------------------------------- \n" ); document.write( "Adjust the 1st equation for elimination: \n" ); document.write( "8a + 8c = 8*8000 \n" ); document.write( "---- \n" ); document.write( "Subtract the Value Equation from that and solve for \"c\": \n" ); document.write( "4c = 64000-52000 \n" ); document.write( "4c = 12000 \n" ); document.write( "c = 3000 (# of children's tickets sold) \n" ); document.write( "--- \n" ); document.write( "Since a + c = 8000, a = 5000 (# of adult tickets sold) \n" ); document.write( "======================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |