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286 WorkRate1 |
Name : _________________ |
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4 people can do a job in 8 days. How many days would it take if there were only 2 people? |
18 people can do a job in 8 days. How many days would it take if there were only 9 people? |
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| 286 16 18 54 21 49 ( 158 ) 16 40 54 18 55 ( 183 ) [[ 341 ]] | ||
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