|
412 WorkRate1 |
Name : _________________ |
||
|
28 people can do a job in 11 days. How many days would it take if there were only 4 people? |
32 people can do a job in 5 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 412 77 12 30 72 40 ( 231 ) 20 84 36 56 12 ( 208 ) [[ 439 ]] | ||
|
|
||