|
328 WorkRate1 |
Name : _________________ |
||
|
9 people can do a job in 7 days. How many days would it take if there were only 3 people? |
49 people can do a job in 7 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 328 21 28 12 14 60 ( 135 ) 49 32 35 44 24 ( 184 ) [[ 319 ]] | ||
|
|
||