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113 WorkRate1 |
Name : _________________ |
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27 people can do a job in 11 days. How many days would it take if there were only 9 people? |
30 people can do a job in 6 days. How many days would it take if there were only 5 people? |
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| 113 33 44 20 30 20 ( 147 ) 36 66 45 72 21 ( 240 ) [[ 387 ]] | ||
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