|
811 WorkRate1 |
Name : _________________ |
||
|
30 people can do a job in 6 days. How many days would it take if there were only 5 people? |
21 people can do a job in 11 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 811 36 60 18 20 56 ( 190 ) 33 32 70 20 36 ( 191 ) [[ 381 ]] | ||
|
|
||