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690 WorkRate1 |
Name : _________________ |
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30 people can do a job in 10 days. How many days would it take if there were only 6 people? |
6 people can do a job in 11 days. How many days would it take if there were only 2 people? |
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| 690 50 63 36 40 10 ( 199 ) 33 25 77 36 54 ( 225 ) [[ 424 ]] | ||
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