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173 WorkRate1 |
Name : _________________ |
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18 people can do a job in 9 days. How many days would it take if there were only 9 people? |
8 people can do a job in 6 days. How many days would it take if there were only 4 people? |
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++[[ ]]++ |
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| 173 18 42 36 15 24 ( 135 ) 12 16 30 40 55 ( 153 ) [[ 288 ]] | ||
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