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317 WorkRate1 |
Name : _________________ |
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6 people can do a job in 9 days. How many days would it take if there were only 3 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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| 317 18 72 28 32 45 ( 195 ) 27 22 24 20 66 ( 159 ) [[ 354 ]] | ||
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