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710 WorkRate1 |
Name : _________________ |
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42 people can do a job in 12 days. How many days would it take if there were only 6 people? |
54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 710 84 84 12 22 42 ( 244 ) 66 16 40 21 10 ( 153 ) [[ 397 ]] | ||
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