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491 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? |
20 people can do a job in 10 days. How many days would it take if there were only 5 people? |
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| 491 72 56 70 22 33 ( 253 ) 40 24 55 30 40 ( 189 ) [[ 442 ]] | ||
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