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418 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 4 people? |
16 people can do a job in 10 days. How many days would it take if there were only 4 people? |
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| 418 70 50 20 45 36 ( 221 ) 40 42 36 35 45 ( 198 ) [[ 419 ]] | ||
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