document.write( "Question 823561: The ratio of the side lengths of a rectangle is 3:7 and the perimeter is 100cm. Find the measures of the side lengths. \n" ); document.write( "
Algebra.Com's Answer #495600 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "x/y = 3/7
\n" ); document.write( "2x + 2y = 100
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\n" ); document.write( "put the system of linear equations into standard form
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\n" ); document.write( "7x = 3y
\n" ); document.write( "2x + 2y = 100
\n" ); document.write( "---
\n" ); document.write( "7x - 3y = 0
\n" ); document.write( "2x + 2y = 100
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\n" ); document.write( "copy and paste the above standard form linear equations in to this solver:
\n" ); document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php
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\n" ); document.write( "answer:
\n" ); document.write( "x= 15 cm
\n" ); document.write( "y= 35 cm
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\n" ); document.write( "Solve and graph linear equations:
\n" ); document.write( "https://sooeet.com/math/linear-equation-solver.php
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
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\n" ); document.write( "Solve systems of linear equations up to 6-equations 6-variables:
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