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690 WorkRate1 |
Name : _________________ |
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18 people can do a job in 11 days. How many days would it take if there were only 6 people? |
42 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 690 33 32 22 10 42 ( 139 ) 63 36 45 24 48 ( 216 ) [[ 355 ]] | ||
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