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277 WorkRate1 |
Name : _________________ |
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12 people can do a job in 5 days. How many days would it take if there were only 2 people? |
21 people can do a job in 8 days. How many days would it take if there were only 7 people? |
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| 277 30 35 36 55 15 ( 171 ) 24 48 56 42 60 ( 230 ) [[ 401 ]] | ||
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