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847 WorkRate1 |
Name : _________________ |
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42 people can do a job in 7 days. How many days would it take if there were only 7 people? |
12 people can do a job in 10 days. How many days would it take if there were only 4 people? |
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++[[ ]]++ |
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| 847 42 42 60 36 30 ( 210 ) 30 54 14 72 35 ( 205 ) [[ 415 ]] | ||
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