569 WorkRate1 |
Name : _________________ |
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30 people can do a job in 7 days. How many days would it take if there were only 5 people? |
27 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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569 42 24 35 45 54 ( 200 ) 27 60 18 60 48 ( 213 ) [[ 413 ]] | ||
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