|
789 WorkRate1 |
Name : _________________ |
||
|
42 people can do a job in 9 days. How many days would it take if there were only 7 people? |
15 people can do a job in 5 days. How many days would it take if there were only 3 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 789 54 33 30 84 32 ( 233 ) 25 63 18 20 10 ( 136 ) [[ 369 ]] | ||
|
|
||