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521 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? |
25 people can do a job in 6 days. How many days would it take if there were only 5 people? |
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| 521 63 16 54 30 48 ( 211 ) 30 84 21 18 24 ( 177 ) [[ 388 ]] | ||
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