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764 WorkRate1 |
Name : _________________ |
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42 people can do a job in 6 days. How many days would it take if there were only 7 people? |
21 people can do a job in 5 days. How many days would it take if there were only 7 people? |
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| 764 36 63 40 60 15 ( 214 ) 15 54 16 72 70 ( 227 ) [[ 441 ]] | ||
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