document.write( "Question 147019: Solve following word problems:\r
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document.write( "A: One number is 3 times another. If the sum of their reciprocals is 1/6, find the two numbers.\r
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document.write( "B: If one-third of a number is subtracted from three-fourths of that number, the difference is 15. What is the number? \n" );
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Algebra.Com's Answer #107387 by 24HoursTutor.com(40)![]() ![]() ![]() You can put this solution on YOUR website! A) \n" ); document.write( "Let one number be x \n" ); document.write( "and the other number be y \n" ); document.write( "We know that y = 3x \n" ); document.write( "Reciprocal of x = 1/x \n" ); document.write( "Reciprocal of y = 1/y \n" ); document.write( "Sum of reciprocal = 1/6\r \n" ); document.write( "\n" ); document.write( "So, we have \n" ); document.write( "1/x + 1/y = 1/6 \n" ); document.write( "Now substituting 3x in place of y we get : \n" ); document.write( "1/x+1/3x = 1/6 \n" ); document.write( "(3+1)/3x = 1/6 \n" ); document.write( "4/3x = 1/6 \n" ); document.write( "4X6=1X3x \n" ); document.write( "24=3x \n" ); document.write( "x=24/3 \n" ); document.write( "x=8 \n" ); document.write( "y=3x=3X 8 =24 \n" ); document.write( "Answer: The two numbers are 8 and 24.\r \n" ); document.write( "\n" ); document.write( "B) \n" ); document.write( "Let us assume the number to be x. We can write the information given in the question as the following equation : \n" ); document.write( "1x/3 - 3x/4 = 15 \n" ); document.write( "(4x-9x)/12 = 15 \n" ); document.write( "-5x/12 = 15 \n" ); document.write( "-5x = 15 X 12 \n" ); document.write( "-5x = 180 \n" ); document.write( "x = 180/-5 \n" ); document.write( "x = -36 \n" ); document.write( "Answer: The number is -36 \n" ); document.write( "The above question is solved by one of the experts from 24HoursTutor.com \n" ); document.write( "We provide live 1:1 online homework help \n" ); document.write( "1. 24X7 tutors available \n" ); document.write( "2. Certified tutors \n" ); document.write( "3. Only for $9.99/hr \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |