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497 WorkRate1 |
Name : _________________ |
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24 people can do a job in 9 days. How many days would it take if there were only 4 people? |
36 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 497 54 60 16 55 27 ( 212 ) 44 44 22 42 32 ( 184 ) [[ 396 ]] | ||
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