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767 WorkRate1 |
Name : _________________ |
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21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
15 people can do a job in 6 days. How many days would it take if there were only 5 people? |
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+( ) |
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++[[ ]]++ |
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| 767 18 48 24 28 40 ( 158 ) 18 30 49 60 35 ( 192 ) [[ 350 ]] | ||
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