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399 WorkRate1 |
Name : _________________ |
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6 people can do a job in 7 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 2 people? |
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| 399 14 66 20 63 55 ( 218 ) 21 25 36 60 30 ( 172 ) [[ 390 ]] | ||
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