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766 WorkRate1 |
Name : _________________ |
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14 people can do a job in 7 days. How many days would it take if there were only 7 people? |
18 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 766 14 21 42 40 50 ( 167 ) 54 18 27 24 21 ( 144 ) [[ 311 ]] | ||
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