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702 WorkRate1 |
Name : _________________ |
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18 people can do a job in 7 days. How many days would it take if there were only 6 people? |
42 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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| 702 21 60 84 32 40 ( 237 ) 36 66 40 40 15 ( 197 ) [[ 434 ]] | ||
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