document.write( "Question 834921: if the Area of a rectangle is 105 sq. in., and the Perimeter is 44 in., what would be the measurement of its' length and width? \r
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document.write( "This is what I've done so far; A=1w (105 sq. in)
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document.write( " P=2(1+w) = 44 \n" );
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Algebra.Com's Answer #503248 by josgarithmetic(39630) ![]() You can put this solution on YOUR website! That is a good start. CONTINUE!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's use L for length instead of the lower case \"l\", because it looks like a variable and not a digit. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You know area A and you know perimeter P. \n" ); document.write( "You want to know length L and width w.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Equations for the system are as you saw, \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for one unknown from one equation and substitute the formula into the other equation! That is what is meant by, \"CONTINUE!\". I will keep this generalized, really not caring about the actual values of P and A.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "And find L from knowing value of w. \n" ); document.write( " |