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396 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? |
20 people can do a job in 6 days. How many days would it take if there were only 4 people? |
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| 396 56 16 30 60 35 ( 197 ) 30 14 18 12 20 ( 94 ) [[ 291 ]] | ||
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