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522 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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| 522 63 18 54 30 20 ( 185 ) 44 12 30 70 18 ( 174 ) [[ 359 ]] | ||
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