document.write( "Question 195316: Tickets for a concert were sold to adults for $3 and to students for $2. If the total receipts were $824 and twice as many adult tickets were sold, then how many for each were sold? \n" ); document.write( "
Algebra.Com's Answer #146530 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! Tickets for a concert were sold to adults for $3 and to students for $2. \n" ); document.write( " If the total receipts were $824 and twice as many adult tickets were sold, \n" ); document.write( " then how many for each were sold? \n" ); document.write( ": \n" ); document.write( "a = no. of adults, s = no. of students \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement \n" ); document.write( ": \n" ); document.write( "\"Tickets for a concert were sold to adults for $3 and to students for $2. \n" ); document.write( " If the total receipts were $824\" \n" ); document.write( "3a + 2s = 824 \n" ); document.write( ": \n" ); document.write( "\" and twice as many adult tickets were sold,\" \n" ); document.write( "a = 2s \n" ); document.write( ": \n" ); document.write( " then how many for each were sold? \n" ); document.write( ": \n" ); document.write( "Substitute 2s for a in the 1st equation \n" ); document.write( "3(2s) + 2s = 824 \n" ); document.write( "6s + 2s = 824 \n" ); document.write( "8s = 824 \n" ); document.write( "s = \n" ); document.write( "s = 103 student tickets were sold \n" ); document.write( "then \n" ); document.write( "a = 2(103) \n" ); document.write( "a = 206 adult tickets sold \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution using the 1st equation \n" ); document.write( "3(206) + 2(103) = 824 \n" ); document.write( "618 + 206 = 824 \n" ); document.write( " |