document.write( "Question 1096344: A lady went to abank with rupees 1000 . She asked the cashier to give her rupees 10 and 50 currency notes in return she got 40 currency notes in all . Find the number of each kind of currency notes please help me to slove this problem i have eaxam today \n" ); document.write( "

Algebra.Com's Answer #710773 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "Let T be the number of 10-rs notes.\r\n" );
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document.write( "Then the number of 50-rs notes is (40-T).\r\n" );
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document.write( "The money equation is\r\n" );
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document.write( "10*T + (40-T)*50 = 1000.\r\n" );
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document.write( "Simplify and solve for T:\r\n" );
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document.write( "10T + 2000 - 50T = 1000  ====>  -40T = 1000-2000 = -1000  ====>  T = {{(-1000}/(-40)}}} = 25.\r\n" );
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document.write( "Answer.  25 10-rs notes and 40-25 = 15 50-rs notes.\r\n" );
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document.write( "Check.   25*10 + 15*50 = 250 + 750 = 1000.    ! Correct !.\r\n" );
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