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838 WorkRate1 |
Name : _________________ |
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28 people can do a job in 10 days. How many days would it take if there were only 7 people? |
6 people can do a job in 10 days. How many days would it take if there were only 3 people? |
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| 838 40 70 40 50 14 ( 214 ) 20 45 35 30 63 ( 193 ) [[ 407 ]] | ||
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