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358 WorkRate1 |
Name : _________________ |
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21 people can do a job in 9 days. How many days would it take if there were only 3 people? |
28 people can do a job in 11 days. How many days would it take if there were only 7 people? |
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| 358 63 18 45 60 40 ( 226 ) 44 70 24 49 16 ( 203 ) [[ 429 ]] | ||
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