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139 WorkRate1 |
Name : _________________ |
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45 people can do a job in 8 days. How many days would it take if there were only 9 people? |
15 people can do a job in 7 days. How many days would it take if there were only 5 people? |
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| 139 40 77 50 28 27 ( 222 ) 21 48 12 60 70 ( 211 ) [[ 433 ]] | ||
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