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264 WorkRate1 |
Name : _________________ |
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4 people can do a job in 10 days. How many days would it take if there were only 2 people? |
42 people can do a job in 12 days. How many days would it take if there were only 7 people? |
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| 264 20 30 70 20 30 ( 170 ) 72 33 50 18 33 ( 206 ) [[ 376 ]] | ||
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