829 WorkRate1 |
Name : _________________ |
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42 people can do a job in 12 days. How many days would it take if there were only 7 people? |
12 people can do a job in 12 days. How many days would it take if there were only 2 people? |
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829 72 30 30 70 32 ( 234 ) 72 63 15 77 27 ( 254 ) [[ 488 ]] | ||
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