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408 WorkRate1 |
Name : _________________ |
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28 people can do a job in 12 days. How many days would it take if there were only 4 people? |
16 people can do a job in 10 days. How many days would it take if there were only 4 people? |
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| 408 84 16 40 54 48 ( 242 ) 40 42 15 63 63 ( 223 ) [[ 465 ]] | ||
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