document.write( "Question 1078804: Ann can type a manuscript in 10hours,Florence can type
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document.write( "This manuscript in 5 hours.how long can it take them if they type
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document.write( "This manuscript together? \n" );
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Algebra.Com's Answer #693190 by rothauserc(4718) You can put this solution on YOUR website! let t be the time it takes to type the manuscript if Ann and Florence work together, then \n" ); document.write( ": \n" ); document.write( "(1/10) + (1/5) = (1/t) \n" ); document.write( ": \n" ); document.write( "(1/10) + (2/10) = (1/t) \n" ); document.write( ": \n" ); document.write( "3/10 = 1/t \n" ); document.write( ": \n" ); document.write( "cross multiply the fractions \n" ); document.write( ": \n" ); document.write( "3t = 10 \n" ); document.write( ": \n" ); document.write( "t = 10/3 = 3.33333333 approximately 3.3 hours \n" ); document.write( ": \n" ); document.write( "*********************************** \n" ); document.write( "working togehter it takes 3.3 hours \n" ); document.write( "*********************************** \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |