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272 WorkRate1 |
Name : _________________ |
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4 people can do a job in 11 days. How many days would it take if there were only 2 people? |
42 people can do a job in 5 days. How many days would it take if there were only 7 people? |
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| 272 22 33 77 22 30 ( 184 ) 30 36 48 18 33 ( 165 ) [[ 349 ]] | ||
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