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405 WorkRate1 |
Name : _________________ |
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16 people can do a job in 12 days. How many days would it take if there were only 4 people? |
8 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 405 48 60 24 15 42 ( 189 ) 18 24 48 48 55 ( 193 ) [[ 382 ]] | ||
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