|
332 WorkRate1 |
Name : _________________ |
||
|
21 people can do a job in 9 days. How many days would it take if there were only 3 people? |
35 people can do a job in 11 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 332 63 18 45 60 56 ( 242 ) 55 30 30 49 18 ( 182 ) [[ 424 ]] | ||
|
|
||