document.write( "Question 426389: The weight of a synthetic ball varies directly with the cube if its radius. A ball with a radius of 2 inches weighs 440 pounds. Find the weight of a ball witha 3 inch radius? \n" ); document.write( "
Algebra.Com's Answer #296620 by Alan3354(69443)\"\" \"About 
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440 = k*2^3 = 8k
\n" ); document.write( "k = 55
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\n" ); document.write( "W = k*3^3 = 27k
\n" ); document.write( "W = 1485 pounds
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