document.write( "Question 900936: Dots sells a total of 250 T-shirt ($2) and shorts ($4). In April, total sales were $600. How many T-shirt and shorts did Dots sell? \n" ); document.write( "
Algebra.Com's Answer #546311 by richwmiller(17219)\"\" \"About 
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x+y=250,
\n" ); document.write( "2*x+4*y=600
\n" ); document.write( "x=250-y
\n" ); document.write( "2*(250-y)+4*y=600
\n" ); document.write( "500-2y+4*y=600
\n" ); document.write( "2*y=100
\n" ); document.write( "y=50
\n" ); document.write( "x=250-y
\n" ); document.write( "x=200 at 2 and y=50 at 4
\n" ); document.write( "check
\n" ); document.write( "200+50=250
\n" ); document.write( "2*x+4*y=600
\n" ); document.write( "2*200+4*50=600
\n" ); document.write( "400+200=600
\n" ); document.write( "600=600
\n" ); document.write( "ok
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