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312 WorkRate1 |
Name : _________________ |
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18 people can do a job in 11 days. How many days would it take if there were only 3 people? |
9 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 312 66 42 30 60 30 ( 228 ) 27 36 24 54 42 ( 183 ) [[ 411 ]] | ||
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