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580 WorkRate1 |
Name : _________________ |
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25 people can do a job in 9 days. How many days would it take if there were only 5 people? |
18 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 580 45 30 49 44 55 ( 223 ) 54 15 36 60 54 ( 219 ) [[ 442 ]] | ||
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