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687 WorkRate1 |
Name : _________________ |
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36 people can do a job in 7 days. How many days would it take if there were only 6 people? |
6 people can do a job in 10 days. How many days would it take if there were only 2 people? |
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| 687 42 56 48 36 33 ( 215 ) 30 42 63 30 72 ( 237 ) [[ 452 ]] | ||
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