document.write( "Question 287022: The cost of 7 small boxes and 15 large boxes is $26.70. The cost of 10 small boxes and 3 large boxes is $10.50. Find the cost of each size box. \n" ); document.write( "
Algebra.Com's Answer #208111 by richwmiller(17219)\"\" \"About 
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7S+15L=26.70
\n" ); document.write( "10S+3L=10.50
\n" ); document.write( "L=1.50
\n" ); document.write( "S=.60\r
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