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791 WorkRate1 |
Name : _________________ |
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21 people can do a job in 7 days. How many days would it take if there were only 7 people? |
42 people can do a job in 5 days. How many days would it take if there were only 7 people? |
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++[[ ]]++ |
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| 791 21 28 77 63 35 ( 224 ) 30 18 20 36 36 ( 140 ) [[ 364 ]] | ||
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