document.write( "Question 1144740: Ben has some marbles. 4/7 of the marbles are red and the rest are blue. If he has 18 blue marbles, how many marbles does Ben have altogether ? \n" ); document.write( "

Algebra.Com's Answer #765917 by ikleyn(52778) $\"\"$ $\"About$

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document.write( "From the condition,    marbles are blue.\r\n" );
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document.write( "Hence,   of the marbles are 18 blue marbles.\r\n" );
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document.write( "It means, that   of the marbles is   = 6 marbles.\r\n" );
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document.write( "Therefore, the number of the blue marbles is 6*7 = 42.\r\n" );
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document.write( "Altogether, Ben has 18 + 42 = 60 marbles.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved MENTALLY, without using equations.\r
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