document.write( "Question 340424: The average of the salaries of Kelly, Renee and Nina is 20,000 a year. If Kelly earns 4000 less than Renee and Nina's salary is two-thirds of Renee's salary, find the salary of each person.\r
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document.write( "I've tried setting up as follows;\r
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document.write( "Let R = Renee\r
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document.write( "Let R - 4000 = Kelly\r
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document.write( "Let 2/3 * R = Nina\r
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document.write( "R + ( R - 4000 ) + 2/3 * R = 20,000 \r
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document.write( "It's not working out for me though. Anyone have any thoughts? \n" );
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Algebra.Com's Answer #243952 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You are SOOOOOO close. Consider this: How do you compute the average? You add up all of the items and divide by the number of items. That means that if the average of 3 things is 20,000, then the sum of the three things has to be 60,000.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, instead of\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You need\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I'll leave the rest to you since the solution is quite straightforward from here. Write if you get stuck again.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it \n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( " |