|
479 WorkRate1 |
Name : _________________ |
||
|
20 people can do a job in 9 days. How many days would it take if there were only 4 people? |
40 people can do a job in 11 days. How many days would it take if there were only 8 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 479 45 20 30 60 45 ( 200 ) 55 18 33 70 18 ( 194 ) [[ 394 ]] | ||
|
|
||