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410 WorkRate1 |
Name : _________________ |
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24 people can do a job in 12 days. How many days would it take if there were only 4 people? |
12 people can do a job in 11 days. How many days would it take if there were only 4 people? |
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| 410 72 35 20 30 21 ( 178 ) 33 66 70 54 30 ( 253 ) [[ 431 ]] | ||
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