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479 WorkRate1 |
Name : _________________ |
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28 people can do a job in 6 days. How many days would it take if there were only 4 people? |
20 people can do a job in 11 days. How many days would it take if there were only 4 people? |
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| 479 42 18 35 66 36 ( 197 ) 55 35 33 84 12 ( 219 ) [[ 416 ]] | ||
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