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871 WorkRate1 |
Name : _________________ |
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40 people can do a job in 8 days. How many days would it take if there were only 8 people? |
10 people can do a job in 12 days. How many days would it take if there were only 2 people? |
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| 871 40 30 27 30 28 ( 155 ) 60 20 15 28 40 ( 163 ) [[ 318 ]] | ||
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