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391 WorkRate1 |
Name : _________________ |
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9 people can do a job in 6 days. How many days would it take if there were only 3 people? |
14 people can do a job in 11 days. How many days would it take if there were only 7 people? |
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| 391 18 48 22 24 35 ( 147 ) 22 20 55 32 48 ( 177 ) [[ 324 ]] | ||
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