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981 WorkRate1 |
Name : _________________ |
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27 people can do a job in 12 days. How many days would it take if there were only 9 people? |
9 people can do a job in 10 days. How many days would it take if there were only 3 people? |
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| 981 36 48 24 45 30 ( 183 ) 30 30 63 72 49 ( 244 ) [[ 427 ]] | ||
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