500 WorkRate1 |
Name : _________________ |
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20 people can do a job in 10 days. How many days would it take if there were only 4 people? |
15 people can do a job in 9 days. How many days would it take if there were only 5 people? |
+( ) |
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( )+ |
++[[ ]]++ |
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500 50 36 84 70 60 ( 300 ) 27 25 40 60 42 ( 194 ) [[ 494 ]] | ||
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