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445 WorkRate1 |
Name : _________________ |
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28 people can do a job in 6 days. How many days would it take if there were only 4 people? |
20 people can do a job in 12 days. How many days would it take if there were only 4 people? |
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| 445 42 27 54 42 20 ( 185 ) 60 35 18 77 18 ( 208 ) [[ 393 ]] | ||
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