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407 WorkRate1 |
Name : _________________ |
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12 people can do a job in 12 days. How many days would it take if there were only 4 people? |
12 people can do a job in 6 days. How many days would it take if there were only 3 people? |
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++[[ ]]++ |
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| 407 36 22 54 12 32 ( 156 ) 24 42 36 12 20 ( 134 ) [[ 290 ]] | ||
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