|
663 WorkRate1 |
Name : _________________ |
||
|
12 people can do a job in 10 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 2 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 663 20 24 49 10 60 ( 163 ) 42 20 36 36 21 ( 155 ) [[ 318 ]] | ||
|
|
||