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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 5 days. How many days would it take if there were only 3 people? |
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| 767 54 36 24 28 12 ( 154 ) 15 25 49 66 36 ( 191 ) [[ 345 ]] | ||
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