|
969 WorkRate1 |
Name : _________________ |
||
|
27 people can do a job in 10 days. How many days would it take if there were only 9 people? |
8 people can do a job in 9 days. How many days would it take if there were only 4 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 969 30 30 36 27 70 ( 193 ) 18 44 48 50 25 ( 185 ) [[ 378 ]] | ||
|
|
||