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210 WorkRate1 |
Name : _________________ |
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14 people can do a job in 7 days. How many days would it take if there were only 2 people? |
4 people can do a job in 11 days. How many days would it take if there were only 2 people? |
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| 210 49 21 42 48 12 ( 172 ) 22 20 24 35 50 ( 151 ) [[ 323 ]] | ||
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