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820 WorkRate1 |
Name : _________________ |
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28 people can do a job in 6 days. How many days would it take if there were only 7 people? |
16 people can do a job in 12 days. How many days would it take if there were only 8 people? |
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+( ) |
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| 820 24 50 18 24 70 ( 186 ) 24 40 48 60 55 ( 227 ) [[ 413 ]] | ||
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