document.write( "Question 8524: A piggy bank contains 5-centavo and 10-centavo coins amounting to PHP 30.50. If there are 19 more 5-centavo coins than 10-centavo coins, how many coins are in the piggy bank?
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Algebra.Com's Answer #11993 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let number of 10 centavos be \"x\" \n" ); document.write( "The number of 5 centavos is \"x+19\" \n" ); document.write( "Value of 10 centavos is (10)x \n" ); document.write( "Value of 5 centavos is (5)(x+19) = 5x + 95 \n" ); document.write( "EQUATION: \n" ); document.write( " Value of 10 centavos + Value of 5 centavos = 3050 \n" ); document.write( " 10x + 5x + 95 = 3050 \n" ); document.write( " 15x = 2955 \n" ); document.write( " x = 197 ( number of 10 centavos) \n" ); document.write( " x + 19= 216 (number of 5 centavos)\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |