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579 WorkRate1 |
Name : _________________ |
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20 people can do a job in 10 days. How many days would it take if there were only 5 people? |
10 people can do a job in 7 days. How many days would it take if there were only 5 people? |
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| 579 40 30 27 40 42 ( 179 ) 14 45 36 35 25 ( 155 ) [[ 334 ]] | ||
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