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461 WorkRate1 |
Name : _________________ |
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28 people can do a job in 6 days. How many days would it take if there were only 4 people? |
16 people can do a job in 12 days. How many days would it take if there were only 4 people? |
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| 461 42 20 30 66 40 ( 198 ) 48 56 18 35 14 ( 171 ) [[ 369 ]] | ||
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