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161 WorkRate1 |
Name : _________________ |
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27 people can do a job in 12 days. How many days would it take if there were only 9 people? |
42 people can do a job in 6 days. How many days would it take if there were only 6 people? |
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| 161 36 55 22 20 72 ( 205 ) 42 40 50 30 36 ( 198 ) [[ 403 ]] | ||
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