document.write( "Question 1078804: Ann can type a manuscript in 10hours,Florence can type
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Algebra.Com's Answer #693190 by rothauserc(4718)\"\" \"About 
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let t be the time it takes to type the manuscript if Ann and Florence work together, then
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\n" ); document.write( "(1/10) + (1/5) = (1/t)
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\n" ); document.write( "(1/10) + (2/10) = (1/t)
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\n" ); document.write( "3/10 = 1/t
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\n" ); document.write( "cross multiply the fractions
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\n" ); document.write( "3t = 10
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\n" ); document.write( "t = 10/3 = 3.33333333 approximately 3.3 hours
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\n" ); document.write( "working togehter it takes 3.3 hours
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