document.write( "Question 770673: given that A,B,C and D are whole numbers such that A*B=8, B*C=28, C*D=63 and B*D=36, find the values of A,B,C and D. \n" ); document.write( "
Algebra.Com's Answer #469691 by tommyt3rd(5050)\"\" \"About 
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A*B=8, B*C=28, C*D=63 and B*D=36\r
\n" ); document.write( "\n" ); document.write( "C*D=63 tells us that C and D are odd in fact one of them is likely 7. Assume C=7.\r
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\n" ); document.write( "\n" ); document.write( "B*C=28 means B=4, and so\r
\n" ); document.write( "\n" ); document.write( "A*B=8 means A=2\r
\n" ); document.write( "\n" ); document.write( "checking B*D ...\r
\n" ); document.write( "\n" ); document.write( "4*9 = 36\r
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\n" ); document.write( "\n" ); document.write( "so...\r
\n" ); document.write( "\n" ); document.write( "A=2, B=4, C=7, D=9\r
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