|
972 WorkRate1 |
Name : _________________ |
||
|
27 people can do a job in 11 days. How many days would it take if there were only 9 people? |
9 people can do a job in 9 days. How many days would it take if there were only 3 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 972 33 20 28 45 33 ( 159 ) 27 33 16 30 18 ( 124 ) [[ 283 ]] | ||
|
|
||