|
622 WorkRate1 |
Name : _________________ |
||
|
10 people can do a job in 12 days. How many days would it take if there were only 5 people? |
20 people can do a job in 5 days. How many days would it take if there were only 4 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 622 24 10 56 77 54 ( 221 ) 25 24 18 15 28 ( 110 ) [[ 331 ]] | ||
|
|
||