|
443 WorkRate1 |
Name : _________________ |
||
|
8 people can do a job in 8 days. How many days would it take if there were only 4 people? |
48 people can do a job in 9 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 443 16 24 72 63 55 ( 230 ) 54 18 48 16 24 ( 160 ) [[ 390 ]] | ||
|
|
||