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552 WorkRate1 |
Name : _________________ |
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25 people can do a job in 6 days. How many days would it take if there were only 5 people? |
27 people can do a job in 8 days. How many days would it take if there were only 9 people? |
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| 552 30 36 40 44 20 ( 170 ) 24 45 77 36 54 ( 236 ) [[ 406 ]] | ||
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