document.write( "Question 315681: a college paid $1748 for 46 calculators. They paid $9 for each scientific calculator. all other graphing calculators cost $55 each how many of each calculator was ordered \n" ); document.write( "
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a college paid $1748 for 46 calculators. They paid $9 for each scientific calculator. all other graphing calculators cost $55 each how many of each calculator was ordered
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\n" ); document.write( "Let x = number of scientific calculators
\n" ); document.write( "then
\n" ); document.write( "46-x = number of graphing calculators
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\n" ); document.write( "9x + 55(46-x) = 1748
\n" ); document.write( "9x + 2530 - 55x = 1748
\n" ); document.write( "2530 - 46x = 1748
\n" ); document.write( "-46x = -782
\n" ); document.write( "x = 17 (number of scientific calculators)
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\n" ); document.write( "graphing calculators:
\n" ); document.write( "46-x = 46-17 = 29 \n" ); document.write( "
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