document.write( "Question 356831: Jolly builds a large corkboard for her room that is 45 inches tall and 63 inches wide .she wants to build a smaller corkboard with a similar shape for the kitchen. Which of the following could be the dimensions of that corkboard?\r
\n" ); document.write( "\n" ); document.write( "A 4 in by 3 in
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Algebra.Com's Answer #254845 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
Jolly builds a large corkboard for her room that is 45 inches tall and 63 inches wide .she wants to build a smaller corkboard with a similar shape for the kitchen. Which of the following could be the dimensions of that corkboard?\r
\n" ); document.write( "\n" ); document.write( "A 4 in by 3 in
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document.write( "We try each one:\r\n" );
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document.write( "\"%28shorter_side_of_large_corkboard%29%2F%28longer_side_of_large_corkboard%29\"\"%22%22=%22%22\"\"%28shorter_side_of_small_corkboard%29%2F%28longer_side_of+_small_corkboard%29\"\r\n" );
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document.write( "Try A\r\n" );
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document.write( "\"45%2F63\"\"%22%22=%22%22\"\"3%2F4\"\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "\"45%2A4\"\"%22%22=%22%22\"\"3%2A63\"\r\n" );
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document.write( "\"180\"\"%22%22=%22%22\"\"189\"\r\n" );
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document.write( "No that's false, so A isn't the answer.\r\n" );
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document.write( "Try B\r\n" );
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document.write( "\"45%2F63\"\"%22%22=%22%22\"\"5%2F7\"\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "\"45%2A7\"\"%22%22=%22%22\"\"5%2A63\"\r\n" );
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document.write( "\"315\"\"%22%22=%22%22\"\"315\"\r\n" );
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document.write( "That's true, so B is the correct answer.  But let's go though the\r\n" );
document.write( "others anyway to show that they are not the correct answer:\r\n" );
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document.write( "Try C\r\n" );
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document.write( "\"45%2F63\"\"%22%22=%22%22\"\"5%2F12\"\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "\"45%2A12\"\"%22%22=%22%22\"\"5%2A63\"\r\n" );
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document.write( "\"540\"\"%22%22=%22%22\"\"315\"\r\n" );
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document.write( "No that's false, so C isn't the answer.\r\n" );
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document.write( "Try D\r\n" );
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document.write( "\"45%2F63\"\"%22%22=%22%22\"\"14%2F21\"\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "\"45%2A21\"\"%22%22=%22%22\"\"14%2A63\"\r\n" );
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document.write( "\"945\"\"%22%22=%22%22\"\"882\"\r\n" );
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document.write( "No that's false, so D isn't the answer.\r\n" );
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document.write( "The correct answer is B\r\n" );
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document.write( "Edwin
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