document.write( "Question 1058999: A purse contains P5.00 in 10 cents- and 25 cents- coins. If there are a total of 30 coins, find how many of each kind are there in the purse.
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Algebra.Com's Answer #674079 by stanbon(75887) ![]() You can put this solution on YOUR website! A purse contains P5.00 in 10 cents- and 25 cents- coins. If there are a total of 30 coins, find how many of each kind are there in the purse. \n" ); document.write( "-------------- \n" ); document.write( "Quantity Eq:: t + q = 30 coins \n" ); document.write( "Value Eq::: 10t + 25q = 500 cents \n" ); document.write( "----------------------------------- \n" ); document.write( "Modify:: \n" ); document.write( "2t + 2q = 60 \n" ); document.write( "2t + 5q = 100 \n" ); document.write( "----------------------- \n" ); document.write( "Subtract and solve for \"q\": \n" ); document.write( "3q = 40 \n" ); document.write( "q = 13 1/3 (# of quarters: Note: this does not make sense) \n" ); document.write( "--- \n" ); document.write( "Solve for \"t\": \n" ); document.write( "t + q = 30 \n" ); document.write( "t + 13 1/3 = 30 \n" ); document.write( "t = 16 2/3 (# of dimes: Note: this does not make sense) \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------- \n" ); document.write( " |