document.write( "Question 413272: A Bag contains red, blue and white marbles. The ratio of red to blue marbles is 3 to 5. The ratio of blue marbles to white marbles is 7 to 4.
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Algebra.Com's Answer #290080 by sudhanshu_kmr(1152)\"\" \"About 
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red: blue is 3:5 and blue : white is 7:4\r
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\n" ); document.write( "\n" ); document.write( "minimum no. of marbles = 21 + 35 + 20 = 76\r
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