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123 WorkRate1 |
Name : _________________ |
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36 people can do a job in 8 days. How many days would it take if there were only 9 people? |
63 people can do a job in 7 days. How many days would it take if there were only 9 people? |
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| 123 32 20 55 15 28 ( 150 ) 49 40 35 63 12 ( 199 ) [[ 349 ]] | ||
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