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489 WorkRate1 |
Name : _________________ |
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20 people can do a job in 8 days. How many days would it take if there were only 4 people? |
32 people can do a job in 6 days. How many days would it take if there were only 8 people? |
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| 489 40 35 60 25 28 ( 188 ) 24 42 36 72 84 ( 258 ) [[ 446 ]] | ||
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