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291 WorkRate1 |
Name : _________________ |
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6 people can do a job in 9 days. How many days would it take if there were only 3 people? |
42 people can do a job in 11 days. How many days would it take if there were only 7 people? |
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| 291 18 30 70 18 25 ( 161 ) 66 30 44 14 30 ( 184 ) [[ 345 ]] | ||
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