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688 WorkRate1 |
Name : _________________ |
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30 people can do a job in 6 days. How many days would it take if there were only 6 people? |
20 people can do a job in 8 days. How many days would it take if there were only 4 people? |
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| 688 30 15 72 32 40 ( 189 ) 40 22 18 40 35 ( 155 ) [[ 344 ]] | ||
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