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504 WorkRate1 |
Name : _________________ |
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12 people can do a job in 11 days. How many days would it take if there were only 4 people? |
35 people can do a job in 9 days. How many days would it take if there were only 5 people? |
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| 504 33 70 60 16 48 ( 227 ) 63 15 49 66 36 ( 229 ) [[ 456 ]] | ||
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