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729 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? |
6 people can do a job in 9 days. How many days would it take if there were only 2 people? |
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| 729 45 42 28 36 24 ( 175 ) 27 60 56 30 36 ( 209 ) [[ 384 ]] | ||
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