|
720 WorkRate1 |
Name : _________________ |
||
|
30 people can do a job in 7 days. How many days would it take if there were only 6 people? |
6 people can do a job in 7 days. How many days would it take if there were only 2 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 720 35 35 20 35 20 ( 145 ) 21 54 56 66 36 ( 233 ) [[ 378 ]] | ||
|
|
||