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768 WorkRate1 |
Name : _________________ |
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35 people can do a job in 7 days. How many days would it take if there were only 7 people? |
6 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 768 35 30 20 28 20 ( 133 ) 18 50 56 55 36 ( 215 ) [[ 348 ]] | ||
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