document.write( "Question 1089004: If increasing 20 by P percent yields the same result as decreasing 60 by P percent, then what is P percent of 70? \n" ); document.write( "

Algebra.Com's Answer #703331 by ikleyn(52879) $\"\"$ $\"About$

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document.write( "We need to find P from the equation\r\n" );
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document.write( "20*(1+P) = 60*(1-P),\r\n" );
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document.write( "20 + 20P = 60- 60P,\r\n" );
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document.write( "20P + 60P = 60 - 20,\r\n" );
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document.write( "80P = 40  =====>  P= 0.5, or 50%.\r\n" );
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document.write( "Next, 50% percents of 70 is 35.\r\n" );
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document.write( "Answer. P = 50%,  and  50% percents of  70  is  35.\r\n" );
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