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767 WorkRate1 |
Name : _________________ |
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42 people can do a job in 9 days. How many days would it take if there were only 7 people? |
9 people can do a job in 11 days. How many days would it take if there were only 3 people? |
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++[[ ]]++ |
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| 767 54 42 30 35 33 ( 194 ) 33 60 16 72 42 ( 223 ) [[ 417 ]] | ||
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