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685 WorkRate1 |
Name : _________________ |
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18 people can do a job in 12 days. How many days would it take if there were only 6 people? |
42 people can do a job in 10 days. How many days would it take if there were only 6 people? |
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++[[ ]]++ |
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| 685 36 42 40 20 30 ( 168 ) 70 54 24 72 77 ( 297 ) [[ 465 ]] | ||
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