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504 WorkRate1 |
Name : _________________ |
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16 people can do a job in 11 days. How many days would it take if there were only 4 people? |
18 people can do a job in 12 days. How many days would it take if there were only 9 people? |
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| 504 44 55 33 36 49 ( 217 ) 24 60 72 32 55 ( 243 ) [[ 460 ]] | ||
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