document.write( "Question 117968: the ratio of the number of coins mark has to the number of coins john has is 2:5. if john has 20 coins, how many coins does mark hasve?
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Algebra.Com's Answer #86013 by stanbon(75887) ![]() You can put this solution on YOUR website! the ratio of the number of coins mark has to the number of coins john has is 2:5. if john has 20 coins, how many coins does mark have? \n" ); document.write( "--------------- \n" ); document.write( "2:5 is the same as 2/5 \n" ); document.write( "----------------- \n" ); document.write( "Proportion: \n" ); document.write( "Let x be the number of coins mark has. \n" ); document.write( "2/5 = x/20 \n" ); document.write( "5x = 40 \n" ); document.write( "x = 8 \n" ); document.write( "--------------- \n" ); document.write( "Mark has 8 coins. \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |