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476 WorkRate1 |
Name : _________________ |
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28 people can do a job in 12 days. How many days would it take if there were only 4 people? |
20 people can do a job in 10 days. How many days would it take if there were only 4 people? |
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| 476 84 16 72 36 32 ( 240 ) 50 77 24 70 10 ( 231 ) [[ 471 ]] | ||
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