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441 WorkRate1 |
Name : _________________ |
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20 people can do a job in 10 days. How many days would it take if there were only 4 people? |
28 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 441 50 77 50 60 48 ( 285 ) 48 84 24 72 77 ( 305 ) [[ 590 ]] | ||
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