document.write( "Question 901327: Find the cost of 7 pens if 3 cost 45p. \n" ); document.write( "
Algebra.Com's Answer #546658 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
\"3%2F45+=+7%2Fx\" | Cross Multiplying to solve
\n" ); document.write( " 3x = 315
\n" ); document.write( " x = 105p
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