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791 WorkRate1 |
Name : _________________ |
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14 people can do a job in 9 days. How many days would it take if there were only 7 people? |
42 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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| 791 18 30 28 40 22 ( 138 ) 48 36 48 24 21 ( 177 ) [[ 315 ]] | ||
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