document.write( "Question 773272: The ratio fo red jelly beans to yellow jelly beans in a dish is 3:4. If Greg eats 3 red jelly beans and 6 yellow ones, the ratio is 4:5. How many jelly beans were originally in the dish?\r
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document.write( "3/4 = RJB/YJB
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document.write( "4rjb = 3yjb
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document.write( "4(rjb-3) = 3(yjb-6) \n" );
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Algebra.Com's Answer #471397 by josgarithmetic(39625) ![]() You can put this solution on YOUR website! You are asking if you are solving correctly.\r \n" ); document.write( "\n" ); document.write( "Let r = how many red jelly beans \n" ); document.write( "let y = how many yellow jelly beans\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Originally, \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Ate 3 red beans so now r-3 red beans in the dish; \n" ); document.write( "Ate 6 yellow beans, so y-6 yellow beans still in the jar. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Two equations in the two unknowns r and y. \n" ); document.write( "ORIGINAL EQUATION \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "EATEN EQUATION \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "SYSTEM TO SOLVE MAY BE: \n" ); document.write( " \n" ); document.write( "Multiply by 3 for eaten equation, multiply by 4 for original equation \n" ); document.write( "in these forms, and obtain,... \n" ); document.write( " \n" ); document.write( "Subtracting the \"0\" equation from the \"-30\" equation, obtain: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "____________________________________________________________ \n" ); document.write( "Originally 30 red jelly beans and 40 yellow jelly beans \n" ); document.write( "____________________________________________________________ \n" ); document.write( " |