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839 WorkRate1 |
Name : _________________ |
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4 people can do a job in 11 days. How many days would it take if there were only 2 people? |
20 people can do a job in 10 days. How many days would it take if there were only 4 people? |
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| 839 22 42 49 10 21 ( 144 ) 50 32 44 40 42 ( 208 ) [[ 352 ]] | ||
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