|
368 WorkRate1 |
Name : _________________ |
||
|
6 people can do a job in 9 days. How many days would it take if there were only 3 people? |
20 people can do a job in 9 days. How many days would it take if there were only 4 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 368 18 25 30 27 44 ( 144 ) 45 30 33 40 14 ( 162 ) [[ 306 ]] | ||
|
|
||