document.write( "Question 271211: 1st ? - The sum of 2 consecutive integers is -9. Find the numbers.\r
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document.write( "2nd ? - Tanner has $4.35 in nickels and quarters. If he has 15 more nickels than quareters, how many of each coin does he have?\r
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document.write( "Thank you for your help! \n" );
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Algebra.Com's Answer #198597 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1st ? - The sum of 2 consecutive integers is -9. Find the numbers. \n" ); document.write( "1st: x \n" ); document.write( "2nd: x+1 \n" ); document.write( "Equation: \n" ); document.write( "x + x+1 = -9 \n" ); document.write( "2x = -10 \n" ); document.write( "x = -5 \n" ); document.write( "x+1 = -4 \n" ); document.write( "-------------------------- \r \n" ); document.write( "\n" ); document.write( "2nd ? - Tanner has $4.35 in nickels and quarters. If he has 15 more nickels than quareters, how many of each coin does he have? \n" ); document.write( "Quatity Equation: n = q + 15 \n" ); document.write( "Value Equation: 5n + 25q = 435 cents \n" ); document.write( "------------------------------------------- \n" ); document.write( "Substitute for \"n\" and solve for \"q\": \n" ); document.write( "5(q+15) + 25q = 435 \n" ); document.write( "5q + 75 + 25q = 435 \n" ); document.write( "30q = 360 \n" ); document.write( "q = 12 (# of quarters) \n" ); document.write( "Since n = q + 15, n = 27 (# of nickels) \n" ); document.write( "========================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |