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342 WorkRate1 |
Name : _________________ |
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21 people can do a job in 10 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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| 342 70 20 50 66 20 ( 226 ) 48 84 33 56 70 ( 291 ) [[ 517 ]] | ||
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