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530 WorkRate1 |
Name : _________________ |
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35 people can do a job in 9 days. How many days would it take if there were only 5 people? |
36 people can do a job in 11 days. How many days would it take if there were only 9 people? |
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| 530 63 18 25 60 20 ( 186 ) 44 56 21 77 16 ( 214 ) [[ 400 ]] | ||
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