|
522 WorkRate1 |
Name : _________________ |
||
|
30 people can do a job in 11 days. How many days would it take if there were only 5 people? |
36 people can do a job in 11 days. How many days would it take if there were only 9 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 522 66 70 45 55 18 ( 254 ) 44 77 22 42 70 ( 255 ) [[ 509 ]] | ||
|
|
||