document.write( "Question 458199: a/c = c/d If a=30 b=7 and c=9 find d.
\n" ); document.write( "Can you help me solve this equation and tell me were i can find
\n" ); document.write( "more equations like this to practice? Also a/c ( its a over c not divided) same with c/d. like a fraction..\r
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Algebra.Com's Answer #314283 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "then cross multiply (the numerator on the left times the denominator on the right is equal to the denominator on the left times the numerator on the right)\r
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\n" ); document.write( "\n" ); document.write( "Since you are given three of the values, substitute and do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "By the way, why would you say \"its a over c not divided\"? What's the difference between \"a over c\" and \"a divided by c\"? I'll give you a hint: The correct answer is: Nothing.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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