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245 WorkRate1 |
Name : _________________ |
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4 people can do a job in 7 days. How many days would it take if there were only 2 people? |
30 people can do a job in 9 days. How many days would it take if there were only 6 people? |
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| 245 14 24 72 63 30 ( 203 ) 45 12 30 10 10 ( 107 ) [[ 310 ]] | ||
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