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337 WorkRate1 |
Name : _________________ |
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21 people can do a job in 5 days. How many days would it take if there were only 3 people? |
15 people can do a job in 11 days. How many days would it take if there were only 3 people? |
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| 337 35 36 30 63 60 ( 224 ) 55 16 15 12 24 ( 122 ) [[ 346 ]] | ||
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