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837 WorkRate1 |
Name : _________________ |
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49 people can do a job in 6 days. How many days would it take if there were only 7 people? |
20 people can do a job in 9 days. How many days would it take if there were only 4 people? |
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| 837 42 12 60 48 28 ( 190 ) 45 35 21 56 22 ( 179 ) [[ 369 ]] | ||
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