document.write( "Question 442527: clay shrinks when you fire it, and the % of shrinkage for her clay was 14%. she needed a 10 cm long piece. she added 14% to 10 cm to get the size the piece should be made before firing it. 14% of 10 is 1.4 so she made an 11.4 cm piece. after 2 tries the piece still did not fit.
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document.write( "Did you see what was wrong with her method? What is the correct size the piece should be before firing? \n" );
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Algebra.Com's Answer #305244 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! clay shrinks when you fire it, and the % of shrinkage for her clay was 14%. she needed a 10 cm long piece. she added 14% to 10 cm to get the size the piece should be made before firing it. 14% of 10 is 1.4 so she made an 11.4 cm piece. after 2 tries the piece still did not fit. \n" ); document.write( "Did you see what was wrong with her method? What is the correct size the piece should be before firing? \n" ); document.write( "---- \n" ); document.write( "Let x be the desired length. \n" ); document.write( "Equation: \n" ); document.write( "x - 0.14x = 10 cm \n" ); document.write( "0.86x = 10 \n" ); document.write( "x = 10/0.86 = 11.63 cm \n" ); document.write( "--------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |