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178 WorkRate1 |
Name : _________________ |
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6 people can do a job in 9 days. How many days would it take if there were only 2 people? |
12 people can do a job in 7 days. How many days would it take if there were only 2 people? |
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| 178 27 72 48 49 50 ( 246 ) 42 10 42 30 30 ( 154 ) [[ 400 ]] | ||
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