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590 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 5 people? |
36 people can do a job in 12 days. How many days would it take if there were only 9 people? |
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| 590 66 20 50 55 18 ( 209 ) 48 77 22 49 63 ( 259 ) [[ 468 ]] | ||
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