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154 WorkRate1 |
Name : _________________ |
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36 people can do a job in 11 days. How many days would it take if there were only 9 people? |
4 people can do a job in 9 days. How many days would it take if there were only 2 people? |
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| 154 44 36 21 15 49 ( 165 ) 18 25 66 35 35 ( 179 ) [[ 344 ]] | ||
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