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515 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? |
20 people can do a job in 8 days. How many days would it take if there were only 5 people? |
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| 515 66 36 24 20 30 ( 176 ) 32 21 50 18 49 ( 170 ) [[ 346 ]] | ||
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