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742 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 7 people? |
20 people can do a job in 12 days. How many days would it take if there were only 5 people? |
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| 742 44 77 22 60 18 ( 221 ) 48 54 30 48 77 ( 257 ) [[ 478 ]] | ||
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