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317 WorkRate1 |
Name : _________________ |
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12 people can do a job in 9 days. How many days would it take if there were only 3 people? |
6 people can do a job in 7 days. How many days would it take if there were only 3 people? |
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| 317 36 25 21 30 49 ( 161 ) 14 28 60 24 25 ( 151 ) [[ 312 ]] | ||
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