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138 WorkRate1 |
Name : _________________ |
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54 people can do a job in 11 days. How many days would it take if there were only 9 people? |
15 people can do a job in 5 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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++[[ ]]++ |
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| 138 66 63 45 60 18 ( 252 ) 15 30 24 42 66 ( 177 ) [[ 429 ]] | ||
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