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288 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? |
49 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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++[[ ]]++ |
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| 288 21 28 42 14 60 ( 165 ) 56 28 40 30 21 ( 175 ) [[ 340 ]] | ||
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