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328 WorkRate1 |
Name : _________________ |
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15 people can do a job in 9 days. How many days would it take if there were only 3 people? |
20 people can do a job in 7 days. How many days would it take if there were only 5 people? |
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| 328 45 54 36 40 24 ( 199 ) 28 49 36 63 35 ( 211 ) [[ 410 ]] | ||
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