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649 WorkRate1 |
Name : _________________ |
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42 people can do a job in 10 days. How many days would it take if there were only 6 people? |
24 people can do a job in 7 days. How many days would it take if there were only 6 people? |
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+( ) |
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++[[ ]]++ |
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| 649 70 10 30 35 20 ( 165 ) 28 35 24 77 42 ( 206 ) [[ 371 ]] | ||
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