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613 WorkRate1 |
Name : _________________ |
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25 people can do a job in 7 days. How many days would it take if there were only 5 people? |
6 people can do a job in 9 days. How many days would it take if there were only 2 people? |
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| 613 35 42 44 32 14 ( 167 ) 27 30 77 42 42 ( 218 ) [[ 385 ]] | ||
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