document.write( "Question 453910: The variables x and y vary directly. When x is 5, y is 15. If x is 25, what is y?\r
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document.write( "a. 1/3
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document.write( "b. 3
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document.write( "c. 25/3
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document.write( "c. 75 \n" );
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Algebra.Com's Answer #311765 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The variables x and y vary directly. \n" ); document.write( "y = kx \n" ); document.write( "--- \n" ); document.write( "Solve for \"k\" using \"When x is 5, y is 15\". \n" ); document.write( "---- \n" ); document.write( "15 = k*5 \n" ); document.write( "k = 3 \n" ); document.write( "--- \n" ); document.write( "Equation: \n" ); document.write( "y = 3x \n" ); document.write( "----- \n" ); document.write( "Solve: If x is 25, what is y? \n" ); document.write( "y = 3*25 \n" ); document.write( "y = 75 \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( "a. 1/3 \n" ); document.write( "b. 3 \n" ); document.write( "c. 25/3 \n" ); document.write( "c. 75 \n" ); document.write( " \n" ); document.write( " |