|
658 WorkRate1 |
Name : _________________ |
||
|
30 people can do a job in 9 days. How many days would it take if there were only 6 people? |
12 people can do a job in 7 days. How many days would it take if there were only 6 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 658 45 72 36 24 14 ( 191 ) 14 55 60 45 25 ( 199 ) [[ 390 ]] | ||
|
|
||