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459 WorkRate1 |
Name : _________________ |
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12 people can do a job in 9 days. How many days would it take if there were only 4 people? |
48 people can do a job in 12 days. How many days would it take if there were only 8 people? |
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++[[ ]]++ |
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| 459 27 48 70 24 30 ( 199 ) 72 21 48 30 30 ( 201 ) [[ 400 ]] | ||
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