964 WorkRate1 |
Name : _________________ |
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36 people can do a job in 7 days. How many days would it take if there were only 9 people? |
35 people can do a job in 9 days. How many days would it take if there were only 5 people? |
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964 28 30 18 27 77 ( 180 ) 63 32 48 44 30 ( 217 ) [[ 397 ]] | ||
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