|
485 WorkRate1 |
Name : _________________ |
||
|
8 people can do a job in 9 days. How many days would it take if there were only 4 people? |
56 people can do a job in 6 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 485 18 20 22 15 24 ( 99 ) 42 48 56 32 48 ( 226 ) [[ 325 ]] | ||
|
|
||