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445 WorkRate1 |
Name : _________________ |
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20 people can do a job in 6 days. How many days would it take if there were only 4 people? |
12 people can do a job in 12 days. How many days would it take if there were only 4 people? |
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| 445 30 66 20 32 10 ( 158 ) 36 25 56 60 42 ( 219 ) [[ 377 ]] | ||
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