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860 WorkRate1 |
Name : _________________ |
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56 people can do a job in 7 days. How many days would it take if there were only 8 people? |
20 people can do a job in 7 days. How many days would it take if there were only 4 people? |
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++[[ ]]++ |
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| 860 49 20 60 42 20 ( 191 ) 35 35 21 77 20 ( 188 ) [[ 379 ]] | ||
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