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479 WorkRate1 |
Name : _________________ |
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28 people can do a job in 11 days. How many days would it take if there were only 4 people? |
9 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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++[[ ]]++ |
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| 479 77 40 27 36 10 ( 190 ) 27 84 42 30 24 ( 207 ) [[ 397 ]] | ||
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