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987 WorkRate1 |
Name : _________________ |
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54 people can do a job in 9 days. How many days would it take if there were only 9 people? |
20 people can do a job in 10 days. How many days would it take if there were only 5 people? |
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| 987 54 24 45 55 32 ( 210 ) 40 42 10 42 63 ( 197 ) [[ 407 ]] | ||
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