document.write( "Question 185512: Another story problem I can't seem to understand.\r
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document.write( "Paul has $1.47 in change consisting of pennies, nickels and quarters. He has three more pennies than quarters and one more nickel than pennies. How many of each coin does he have? \n" );
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Algebra.Com's Answer #139168 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Another story problem I can't seem to understand. \n" ); document.write( "Paul has $1.47 in change consisting of pennies, nickels and quarters. He has three more pennies than quarters and one more nickel than pennies. How many of each coin does he have? \n" ); document.write( "--------------- \n" ); document.write( "p = q+3 (3 more pennies than quarters) \n" ); document.write( "n = p+1 \n" ); document.write( "p + 5n + 25q = 147 (the total) \n" ); document.write( "-------------Substitute for n and q \n" ); document.write( "p + 5(p+1) + 25(p-3) = 147 \n" ); document.write( "p + 5p+5 + 25p-75 = 147 \n" ); document.write( "31p + 70 = 147 \n" ); document.write( "31p = 217 \n" ); document.write( "p = 7 \n" ); document.write( "You can do the other 2. \n" ); document.write( " |