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514 WorkRate1 |
Name : _________________ |
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30 people can do a job in 11 days. How many days would it take if there were only 5 people? |
27 people can do a job in 5 days. How many days would it take if there were only 9 people? |
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| 514 66 77 40 60 21 ( 264 ) 15 84 24 54 77 ( 254 ) [[ 518 ]] | ||
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