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345 WorkRate1 |
Name : _________________ |
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21 people can do a job in 8 days. How many days would it take if there were only 3 people? |
28 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 345 56 16 25 60 36 ( 193 ) 48 49 18 70 35 ( 220 ) [[ 413 ]] | ||
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