document.write( "Question 369931: if y=7.5 when x=0.5, find y when x= -0.3 \n" ); document.write( "
Algebra.Com's Answer #263575 by stanbon(75887)\"\" \"About 
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if y=7.5 when x=0.5, find y when x= -0.3\r
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\n" ); document.write( "Use a proportion:
\n" ); document.write( "y/x = y/x
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\n" ); document.write( "y/-0.3 = 7.5/0.5
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\n" ); document.write( "y = -0.3*15
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\n" ); document.write( "y = -0.45
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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