document.write( "Question 550316: CAN SOMEONE PLEASE HELP ME AND SHOW ME HOW TO WORK OUT THESE PROBLEMS.I IF U BREAK IT DOWN FOR ME I WILL UNDERSTAND IT BETTER.\r
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document.write( "1) A BAG PF DIMES AND QUARTERS IS WORTH $3.55. THERE ARE FOUR MORE THAN DOUBLE THE NUMBER OF DIMES AS QUARTERS. HOW MANY OF THE COINS ARE DIMES?\r
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document.write( "2)THE PERIMETER OF A TRIANGLE IS 23 INCHES. THE LONGEST SIDE EXCEEDS THE SHORTER BY 7 INCHES WHILE THE THIRD SIDE IS TWICE THE SHORT SIDE. WHAT IS THE LENGTH OF THE LONGEST SIDE?\r
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document.write( "3) TWICE A NUMBER LESS FIVE IS LESS THAN THE NUMBER LESS THREE. WHAT'S THE VALUE OF THE NUMBER?\r
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document.write( "4) THE SUM OF TWO NUMBERS IS 25, AND THEIR DIFFERENCE IS 9. WHAT ARE THE TWO NUMBERS? \n" );
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Algebra.Com's Answer #358623 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1) A BAG OF DIMES AND QUARTERS IS WORTH $3.55. THERE ARE FOUR MORE THAN DOUBLE THE NUMBER OF DIMES AS QUARTERS. HOW MANY OF THE COINS ARE DIMES? \n" ); document.write( "----- \n" ); document.write( "Value Equation: 10d + 25q = 355 cents \n" ); document.write( "Quantity Eq:::: q = 2d+4 \n" ); document.write( "---- \n" ); document.write( "Substitute for \"q\" and solve for \"d\": \n" ); document.write( "10d + 25(2d+4) = 355 \n" ); document.write( "10d + 50d + 100 = 355 \n" ); document.write( "60d = 255 \n" ); document.write( "Comment: d is not a whole number; \n" ); document.write( "The problem is inconsistent. \n" ); document.write( "===================================== \r \n" ); document.write( "\n" ); document.write( "2)THE PERIMETER OF A TRIANGLE IS 23 INCHES. THE LONGEST SIDE EXCEEDS THE SHORTER BY 7 INCHES WHILE THE THIRD SIDE IS TWICE THE SHORT SIDE. WHAT IS THE LENGTH OF THE LONGEST SIDE? \n" ); document.write( "Let the shortest side be \"x\": \n" ); document.write( "Longest = \"x+7\" \n" ); document.write( "3rd side = 2x \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "x + 2x + x+7 = 23 \n" ); document.write( "4x = 16 \n" ); document.write( "x = 4 inches (shortest) \n" ); document.write( "2x = 8 inches (3rd side) \n" ); document.write( "x+7 = 11 inches (longest) \n" ); document.write( "=============================\r \n" ); document.write( "\n" ); document.write( "3) TWICE A NUMBER LESS FIVE IS LESS THAN THE NUMBER LESS THREE. WHAT'S THE VALUE OF THE NUMBER? \n" ); document.write( "Equation: \n" ); document.write( "2x-5 < x-3 \n" ); document.write( "x < 2 \n" ); document.write( "==================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4) THE SUM OF TWO NUMBERS IS 25, AND THEIR DIFFERENCE IS 9. WHAT ARE THE TWO NUMBERS? \n" ); document.write( "Equation: \n" ); document.write( "x + y = 25 \n" ); document.write( "x - y = 9 \n" ); document.write( "------ \n" ); document.write( "Add and solve for \"x\": \n" ); document.write( "2x = 34 \n" ); document.write( "x = 17 \n" ); document.write( "Solve for \"y\": \n" ); document.write( "x+y = 25 \n" ); document.write( "17 + y = 25 \n" ); document.write( "y = 8 \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "========================== \n" ); document.write( " \n" ); document.write( " |