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344 WorkRate1 |
Name : _________________ |
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15 people can do a job in 7 days. How many days would it take if there were only 3 people? |
21 people can do a job in 7 days. How many days would it take if there were only 7 people? |
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++[[ ]]++ |
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| 344 35 36 20 30 24 ( 145 ) 21 42 42 60 30 ( 195 ) [[ 340 ]] | ||
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