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403 WorkRate1 |
Name : _________________ |
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8 people can do a job in 9 days. How many days would it take if there were only 4 people? |
20 people can do a job in 6 days. How many days would it take if there were only 4 people? |
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| 403 18 56 16 63 60 ( 213 ) 30 10 16 16 27 ( 99 ) [[ 312 ]] | ||
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