document.write( "Question 320379: the everton college store paid $1683 for an order of 45 calculators. The store paid $11.00 for each scientific calculator. The others all graphing calculators, cost the store $55 each. How many of each type of calculator was ordered? \n" ); document.write( "
Algebra.Com's Answer #229431 by mananth(16946)\"\" \"About 
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total number of calculators =45
\n" ); document.write( "Let number of scientific calculators be x
\n" ); document.write( "other calculators will be 45-x
\n" ); document.write( "..
\n" ); document.write( "scientific calculator cost = $11
\n" ); document.write( "graphing calculator costs $ 55
\n" ); document.write( "..
\n" ); document.write( "11x+55(45-x)= 1683
\n" ); document.write( "11x+2475-55x=1683
\n" ); document.write( "-44x=1683-2475
\n" ); document.write( "-44x=-792
\n" ); document.write( "x= 18 scientific calculators
\n" ); document.write( "45-18= 27 all graphic calculators
\n" ); document.write( "
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