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831 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? |
15 people can do a job in 7 days. How many days would it take if there were only 3 people? |
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| 831 42 36 77 18 40 ( 213 ) 35 12 18 18 33 ( 116 ) [[ 329 ]] | ||
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