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458 WorkRate1 |
Name : _________________ |
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20 people can do a job in 10 days. How many days would it take if there were only 4 people? |
16 people can do a job in 5 days. How many days would it take if there were only 8 people? |
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++[[ ]]++ |
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| 458 50 36 30 21 42 ( 179 ) 10 60 72 55 55 ( 252 ) [[ 431 ]] | ||
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