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291 WorkRate1 |
Name : _________________ |
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9 people can do a job in 7 days. How many days would it take if there were only 3 people? |
18 people can do a job in 5 days. How many days would it take if there were only 3 people? |
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| 291 21 44 77 63 18 ( 223 ) 30 66 36 24 33 ( 189 ) [[ 412 ]] | ||
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