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631 WorkRate1 |
Name : _________________ |
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30 people can do a job in 9 days. How many days would it take if there were only 6 people? |
12 people can do a job in 8 days. How many days would it take if there were only 6 people? |
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| 631 45 36 20 44 20 ( 165 ) 16 60 77 35 30 ( 218 ) [[ 383 ]] | ||
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