|
752 WorkRate1 |
Name : _________________ |
||
|
21 people can do a job in 6 days. How many days would it take if there were only 7 people? |
21 people can do a job in 8 days. How many days would it take if there were only 3 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 752 18 24 12 24 60 ( 138 ) 56 27 60 21 24 ( 188 ) [[ 326 ]] | ||
|
|
||