document.write( "Question 904341: Jamie sells handcrafted dolls at local art fairs. She sells small dolls for $15 and large dolls for $40. At the end of the Little town art fair, she determined that the total amount she made by selling 12 dolls was $255. Determine the number of small and the number of large dolls that she sold. \n" ); document.write( "
Algebra.Com's Answer #548639 by richwmiller(17219)\"\" \"About 
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a+b=12,
\n" ); document.write( "15*a+40*b=255
\n" ); document.write( "a=12-b
\n" ); document.write( "15*(12-b)+40*b=255
\n" ); document.write( "180-15b+40*b=255
\n" ); document.write( "25*b=75
\n" ); document.write( "b=3
\n" ); document.write( "a=12-b
\n" ); document.write( "a=9 at $15 and b=3 at $40
\n" ); document.write( "check
\n" ); document.write( "9+3=12
\n" ); document.write( "15*a+40*b=255
\n" ); document.write( "15*9+40*3=255
\n" ); document.write( "135+120=255
\n" ); document.write( "255=255
\n" ); document.write( "ok
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