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740 WorkRate1 |
Name : _________________ |
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28 people can do a job in 10 days. How many days would it take if there were only 7 people? |
49 people can do a job in 7 days. How many days would it take if there were only 7 people? |
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+( ) |
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++[[ ]]++ |
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| 740 40 35 12 21 70 ( 178 ) 49 48 60 48 24 ( 229 ) [[ 407 ]] | ||
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