|
402 WorkRate1 |
Name : _________________ |
||
|
12 people can do a job in 6 days. How many days would it take if there were only 4 people? |
49 people can do a job in 12 days. How many days would it take if there were only 7 people? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 402 18 20 35 24 42 ( 139 ) 84 44 55 30 20 ( 233 ) [[ 372 ]] | ||
|
|
||