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330 WorkRate1 |
Name : _________________ |
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9 people can do a job in 12 days. How many days would it take if there were only 3 people? |
42 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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++[[ ]]++ |
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| 330 36 18 42 42 66 ( 204 ) 36 33 40 30 18 ( 157 ) [[ 361 ]] | ||
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