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378 WorkRate1 |
Name : _________________ |
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9 people can do a job in 9 days. How many days would it take if there were only 3 people? |
56 people can do a job in 11 days. How many days would it take if there were only 8 people? |
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| 378 27 44 14 24 54 ( 163 ) 77 32 35 44 40 ( 228 ) [[ 391 ]] | ||
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