document.write( "Question 810293: A jar contains marbles in the ratio of 11 red to 5 black. If there 230 black marbles, how many red marbles are there?
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document.write( "Select the correct answer.
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document.write( " a. 506 red
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document.write( " b. 501 red
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document.write( " c. 519 red
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document.write( " d. 485 red
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document.write( "
Algebra.Com's Answer #488040 by erica65404(394)![]() ![]() You can put this solution on YOUR website! simply make the ratio a fraction 11/5 and make the x reds 230 blacks a fraction and make them equal to each other. make sure the units matvh up. red on top and black on bottom. \n" ); document.write( " \n" ); document.write( "cross multiply \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "the answer is a.506 red. \n" ); document.write( " |