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416 WorkRate1 |
Name : _________________ |
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8 people can do a job in 8 days. How many days would it take if there were only 4 people? |
49 people can do a job in 6 days. How many days would it take if there were only 7 people? |
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| 416 16 24 49 12 54 ( 155 ) 42 20 25 36 21 ( 144 ) [[ 299 ]] | ||
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