|
689 WorkRate1 |
Name : _________________ |
||
|
42 people can do a job in 12 days. How many days would it take if there were only 6 people? |
56 people can do a job in 9 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 689 84 30 14 42 20 ( 190 ) 63 48 45 77 16 ( 249 ) [[ 439 ]] | ||
|
|
||