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638 WorkRate1 |
Name : _________________ |
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36 people can do a job in 11 days. How many days would it take if there were only 6 people? |
36 people can do a job in 9 days. How many days would it take if there were only 9 people? |
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++[[ ]]++ |
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| 638 66 14 40 45 15 ( 180 ) 36 56 18 42 56 ( 208 ) [[ 388 ]] | ||
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