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332 WorkRate1 |
Name : _________________ |
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12 people can do a job in 10 days. How many days would it take if there were only 3 people? |
21 people can do a job in 9 days. How many days would it take if there were only 3 people? |
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| 332 40 35 27 36 63 ( 201 ) 63 20 66 32 28 ( 209 ) [[ 410 ]] | ||
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