document.write( "Question 1146053: Mary works 2.5 times faster than Peter. Together, they do a job in 12.5 hours. How long does it take Mary working alone to do the same job?
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Algebra.Com's Answer #767332 by josgarithmetic(39620)![]() ![]() ![]() You can put this solution on YOUR website! Mary's rate r \n" ); document.write( "Peter's rate (1/2.5)r=0.4r\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "TIME in hours is |