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440 WorkRate1 |
Name : _________________ |
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24 people can do a job in 11 days. How many days would it take if there were only 4 people? |
12 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 440 66 49 63 70 33 ( 281 ) 27 33 56 72 42 ( 230 ) [[ 511 ]] | ||
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