document.write( "Question 926316: A fast cleaner clean 10 rooms in an hour and a slower cleaner 4 rooms in an hour if both work together how long will take to clean 26 rooms \n" ); document.write( "

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A fast cleaner clean 10 rooms in an hour and a slower cleaner 4 rooms in an hour if both work together how long will take to clean 26 rooms
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\n" ); document.write( "Together, they do 14 rooms per hour.
\n" ); document.write( "Together it takes 26/14 hours.
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