|
581 WorkRate1 |
Name : _________________ |
||
|
10 people can do a job in 11 days. How many days would it take if there were only 5 people? |
20 people can do a job in 12 days. How many days would it take if there were only 5 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 581 22 32 14 18 30 ( 116 ) 48 30 40 18 27 ( 163 ) [[ 279 ]] | ||
|
|
||