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678 WorkRate1 |
Name : _________________ |
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42 people can do a job in 11 days. How many days would it take if there were only 6 people? |
63 people can do a job in 10 days. How many days would it take if there were only 9 people? |
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+( ) |
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++[[ ]]++ |
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| 678 77 45 22 12 60 ( 216 ) 70 45 32 30 20 ( 197 ) [[ 413 ]] | ||
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