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612 WorkRate1 |
Name : _________________ |
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30 people can do a job in 10 days. How many days would it take if there were only 5 people? |
18 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 612 60 49 45 60 18 ( 232 ) 27 54 16 72 77 ( 246 ) [[ 478 ]] | ||
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