document.write( "Question 732894:
\n" ); document.write( "Mike and Sarah buy books at a sale. Mike buys 3 hardcover books and 4 paperback books for $6.50. Sarah buys 2 hardcover books and 6 paperback books for $6.00. What is the cost, in dollars, of each hardcover book?
\n" ); document.write( "

Algebra.Com's Answer #448189 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
3H+4P=6.50 MULTIPLY BY -1.5 & ADD.
\n" ); document.write( "2H+6P=6.00
\n" ); document.write( "-4.5H-6P=-9.75
\n" ); document.write( "-----------------------
\n" ); document.write( "-2.5H=-3.75
\n" ); document.write( "H=-3.75/-2.5
\n" ); document.write( "H=$1.50 COST OF EACH HARDCOVER BOOK.
\n" ); document.write( "3*1.50+4P=6.50
\n" ); document.write( "4.50+4P=6.50
\n" ); document.write( "4P=6.50-4.50
\n" ); document.write( "4P=2.00
\n" ); document.write( "P=2.00/4
\n" ); document.write( "P=$.50 COST OF EACH PAPERBACK BOOK.
\n" ); document.write( "PROOF:
\n" ); document.write( "2*1.50+6*.50=6.00
\n" ); document.write( "3.00+3.00=6.00
\n" ); document.write( "6.00=6.00
\n" ); document.write( "
\n" );