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769 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? |
12 people can do a job in 8 days. How many days would it take if there were only 3 people? |
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| 769 42 12 30 42 44 ( 170 ) 32 35 33 63 77 ( 240 ) [[ 410 ]] | ||
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