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178 WorkRate1 |
Name : _________________ |
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14 people can do a job in 11 days. How many days would it take if there were only 2 people? |
28 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 178 77 35 25 24 36 ( 197 ) 63 20 40 70 28 ( 221 ) [[ 418 ]] | ||
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