document.write( "Question 1173918: If y varies directly as x, and
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Algebra.Com's Answer #799245 by math_helper(2461) $\"\"$ $\"About$

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document.write( "y = k*x
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document.write( "4 = k*10
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document.write( "k = 4/10 = 2/5\r
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document.write( "So y = (2/5)x\r
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document.write( "When x=5,  y = (2/5)*5 =  \n" );
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