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444 WorkRate1 |
Name : _________________ |
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28 people can do a job in 9 days. How many days would it take if there were only 4 people? |
40 people can do a job in 10 days. How many days would it take if there were only 8 people? |
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| 444 63 16 50 54 44 ( 227 ) 50 77 27 49 16 ( 219 ) [[ 446 ]] | ||
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