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296 WorkRate1 |
Name : _________________ |
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15 people can do a job in 8 days. How many days would it take if there were only 3 people? |
21 people can do a job in 10 days. How many days would it take if there were only 7 people? |
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| 296 40 48 32 24 24 ( 168 ) 30 66 77 60 30 ( 263 ) [[ 431 ]] | ||
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