599 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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599 42 20 35 32 54 ( 183 ) 27 54 40 48 42 ( 211 ) [[ 394 ]] | ||
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