document.write( "Question 943589: 73 ice cream cones were ordered. Some were soft serve at $2.25 each and the rest were hard serve at $1.25 each. The total amount spent was $125.25. How many of each kind were ordered?\r
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Algebra.Com's Answer #575278 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
Sugar cones?
\n" ); document.write( "Just kidding
\n" ); document.write( "---------------
\n" ); document.write( "Let \"+a+\" = number of soft serve cones
\n" ); document.write( "Let \"+b+\" = number of hard serve cones
\n" ); document.write( "----------------
\n" ); document.write( "(1) \"+a+%2B+b+=+73+\"
\n" ); document.write( "(2) \"+2.25a+%2B+1.25b+=+125.25+\"
\n" ); document.write( "------------------------------
\n" ); document.write( "(2) \"+225a+%2B+125b+=+12525+\"
\n" ); document.write( "(2) \"+9a+%2B+5b+=+501+\"
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\n" ); document.write( "Multiply both sides of (1) by \"+5+\"
\n" ); document.write( "and subtract (1) from (2)
\n" ); document.write( "(2) \"+9a+%2B+5b+=+501+\"
\n" ); document.write( "(1) \"+-5a+-+5b+=+-365+\"
\n" ); document.write( "-----------------------
\n" ); document.write( "\"+4a+=+136+\"
\n" ); document.write( "\"+a+=+34+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"+34+%2B+b+=+73+\"
\n" ); document.write( "(1) \"+b+=+39+\"
\n" ); document.write( "There were 34 soft serve cones
\n" ); document.write( "There were 39 hard serve cones
\n" ); document.write( "----------------
\n" ); document.write( "check:
\n" ); document.write( "(2) \"+2.25%2A34+%2B+1.25%2A39+=+125.25+\"
\n" ); document.write( "(2) \"+76.5+%2B+48.75+=+125.25+\"
\n" ); document.write( "(2) \"+125.25+=+125.25+\"
\n" ); document.write( "OK\r
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