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525 WorkRate1 |
Name : _________________ |
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30 people can do a job in 9 days. How many days would it take if there were only 5 people? |
15 people can do a job in 7 days. How many days would it take if there were only 5 people? |
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| 525 54 84 60 55 27 ( 280 ) 21 72 22 42 84 ( 241 ) [[ 521 ]] | ||
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