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390 WorkRate1 |
Name : _________________ |
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21 people can do a job in 5 days. How many days would it take if there were only 3 people? |
32 people can do a job in 7 days. How many days would it take if there were only 8 people? |
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++[[ ]]++ |
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| 390 35 10 40 60 20 ( 165 ) 28 42 18 42 16 ( 146 ) [[ 311 ]] | ||
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