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500 WorkRate1 |
Name : _________________ |
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20 people can do a job in 5 days. How many days would it take if there were only 4 people? |
10 people can do a job in 12 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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| 500 25 60 18 21 49 ( 173 ) 24 24 42 55 30 ( 175 ) [[ 348 ]] | ||
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