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253 WorkRate1 |
Name : _________________ |
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4 people can do a job in 9 days. How many days would it take if there were only 2 people? |
10 people can do a job in 8 days. How many days would it take if there were only 2 people? |
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| 253 18 22 66 66 24 ( 196 ) 40 16 15 84 22 ( 177 ) [[ 373 ]] | ||
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