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166 WorkRate1 |
Name : _________________ |
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45 people can do a job in 6 days. How many days would it take if there were only 9 people? |
12 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 166 30 36 40 44 14 ( 164 ) 18 45 49 35 60 ( 207 ) [[ 371 ]] | ||
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