document.write( "Question 1175711: In a wallet are one-peso and five-peso coins. The number of coins sum up to 22 but its value sums up to 50. How many one-peso and five-peso coins are in it? \n" ); document.write( "

Algebra.Com's Answer #801364 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "F = # of five-peso coins\r\n" );
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document.write( "22-F = # of one-peso coins\r\n" );
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document.write( "Total money equation\r\n" );
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document.write( "    5F + (22-F) = 50\r\n" );
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document.write( "      4F        = 50-22 = 28\r\n" );
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document.write( "       F                = 28/4 = 7.\r\n" );
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document.write( "ANSWER.  7 five-peso coins, and the rest  (22-7) = 15 are one-peso coins.\r\n" );
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