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364 WorkRate1 |
Name : _________________ |
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9 people can do a job in 7 days. How many days would it take if there were only 3 people? |
42 people can do a job in 9 days. How many days would it take if there were only 7 people? |
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| 364 21 28 77 14 30 ( 170 ) 54 36 60 21 40 ( 211 ) [[ 381 ]] | ||
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