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348 WorkRate1 |
Name : _________________ |
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15 people can do a job in 7 days. How many days would it take if there were only 3 people? |
14 people can do a job in 9 days. How many days would it take if there were only 7 people? |
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| 348 35 42 33 28 20 ( 158 ) 18 30 35 35 66 ( 184 ) [[ 342 ]] | ||
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