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323 WorkRate1 |
Name : _________________ |
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12 people can do a job in 5 days. How many days would it take if there were only 3 people? |
21 people can do a job in 5 days. How many days would it take if there were only 7 people? |
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| 323 20 66 44 44 10 ( 184 ) 15 30 70 30 60 ( 205 ) [[ 389 ]] | ||
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