document.write( "Question 1050066: a is directly proportional to b. If a=15, then b=9. \n" ); document.write( "

Algebra.Com's Answer #665646 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi  
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document.write( " Let k represent the constant of proportionality
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document.write( "a = kb
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document.write( "a/b = k
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document.write( "15/6 = k = 5/2
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