document.write( "Question 76429: The force needed to stretch a spring a certain distance varies directly with the distance. An 8 pound force stretches a spring 3.5 inches. How much force is needed to stretch the spring 12 inches.
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Algebra.Com's Answer #54887 by checkley75(3666)\"\" \"About 
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8/3.5=X/12 CROSS MULTIPLY
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