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713 WorkRate1 |
Name : _________________ |
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30 people can do a job in 11 days. How many days would it take if there were only 6 people? |
6 people can do a job in 9 days. How many days would it take if there were only 2 people? |
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| 713 55 49 30 35 10 ( 179 ) 27 72 63 30 48 ( 240 ) [[ 419 ]] | ||
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