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273 WorkRate1 |
Name : _________________ |
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12 people can do a job in 8 days. How many days would it take if there were only 2 people? |
21 people can do a job in 9 days. How many days would it take if there were only 7 people? |
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| 273 48 49 30 35 27 ( 189 ) 27 48 14 66 42 ( 197 ) [[ 386 ]] | ||
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