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417 WorkRate1 |
Name : _________________ |
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20 people can do a job in 7 days. How many days would it take if there were only 4 people? |
24 people can do a job in 7 days. How many days would it take if there were only 8 people? |
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| 417 35 35 20 35 24 ( 149 ) 21 48 12 66 36 ( 183 ) [[ 332 ]] | ||
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