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436 WorkRate1 |
Name : _________________ |
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28 people can do a job in 7 days. How many days would it take if there were only 4 people? |
4 people can do a job in 7 days. How many days would it take if there were only 2 people? |
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| 436 49 25 15 21 36 ( 146 ) 14 77 27 70 16 ( 204 ) [[ 350 ]] | ||
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