document.write( "Question 957753: The distance that a spring will stretch varies directly as the force is applied to the spring. A force of 70 pounds is needed to stretch a spring 7 inches. What force is required to stretch the spring 13 inches? \n" ); document.write( "
Algebra.Com's Answer #585278 by macston(5194)\"\" \"About 
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70lbs/7in=10lb/in
\n" ); document.write( "(10lb/in)(13in)=130lbs
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