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501 WorkRate1 |
Name : _________________ |
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24 people can do a job in 7 days. How many days would it take if there were only 4 people? |
8 people can do a job in 6 days. How many days would it take if there were only 4 people? |
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| 501 42 77 36 42 21 ( 218 ) 12 60 10 72 15 ( 169 ) [[ 387 ]] | ||
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