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529 WorkRate1 |
Name : _________________ |
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25 people can do a job in 10 days. How many days would it take if there were only 5 people? |
18 people can do a job in 12 days. How many days would it take if there were only 9 people? |
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| 529 50 60 30 44 12 ( 196 ) 24 60 72 35 60 ( 251 ) [[ 447 ]] | ||
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