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729 WorkRate1 |
Name : _________________ |
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18 people can do a job in 9 days. How many days would it take if there were only 6 people? |
49 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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+( ) |
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( )+ |
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++[[ ]]++ |
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| 729 27 20 16 12 30 ( 105 ) 42 30 30 30 36 ( 168 ) [[ 273 ]] | ||
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