document.write( "Question 793789: Bus tickets from Toledo to Durham are 26 dollars for adults and 18 for students. How many students were there is 1668 was collected from 70 passengers.\r
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document.write( "I have the answer key but not sure of the equation..trying to help son \n" );
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Algebra.Com's Answer #480453 by Cromlix(4381) You can put this solution on YOUR website! x = adults \n" ); document.write( "y = students \n" ); document.write( "x + y = 70 ......1 \n" ); document.write( "26x + 18y = 1668.......2 \n" ); document.write( "Multiply (1) by 18 \n" ); document.write( "18x + 18y = 1260....3 \n" ); document.write( "26x + 18y = 1668....2 \n" ); document.write( "Subtract (3) from (2) \n" ); document.write( "8x = 408 \n" ); document.write( "x = 51 \n" ); document.write( "Substitute x = 51 into (1) \n" ); document.write( "x + y = 70.....1 \n" ); document.write( "51 + y = 70 \n" ); document.write( "y = 70 - 51 \n" ); document.write( "y = 19 \n" ); document.write( "Therefore there were: \n" ); document.write( "51 adults and 19 students. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |